Raymond Cattell
Raymond Cattell
Raymond Cattell.jpg
Raymond Bernard Cattell
Born (1905-03-20)20 March 1905
Hilltop, near Birmingham, England
Died 2 February 1998(1998-02-02) (aged 92)
Honolulu, Hawaii, United States
Nationality British and American
Alma mater King's College London
Known for 16 Personality Factors, Fluid and crystallized intelligence, Culture Fair Intelligence Test
Scientific career
Fields Psychology
Institutions University of Illinois
Doctoral advisor Francis Aveling, King's College London

Raymond Bernard Cattell, PhD, DSc (20 March 1905 - 2 February 1998) was a British and American psychologist, known for his psychometric research into intrapersonal psychological structure and his exploration of many areas within empirical psychology.[1][2] These multifaceted areas included: the basic dimensions of personality and temperament, the range of cognitive abilities, the dynamic dimensions of motivation and emotion, the clinical dimensions of abnormal personality, patterns of group syntality and social behavior,[3] applications of personality research to psychotherapy and learning theory,[4] predictors of creativity and achievement,[5] and many multivariate research methods[6] including the refinement of factor analytic methods for exploring and measuring these domains.[7][8] Cattell authored, co-authored, or edited almost 60 scholarly books, more than 500 research articles, and over 30 standardized psychometric tests, questionnaires, and rating scales.[9][10] According to a widely cited ranking, Cattell was the 16th most eminent,[11] 7th most cited in the scientific journal literature,[12] and among the most productive, but controversial psychologists of the 20th century.[13]

As a research psychologist, Cattell was devoted to the scientific pursuit of knowledge through rigorous research.[1] He was an early proponent of using factor analytic methods instead of what he called "subjective verbal theorizing" to explore empirically the basic dimensions of personality, motivation, and cognitive abilities. One of the results of Cattell's application of factor analysis was his discovery of no fewer than 16 separate primary trait factors within the normal personality sphere alone (based on the trait lexicon).[14] He called these factors "source traits" because he believed they provide the underlying source for the observable "surface" behaviors we think of as personality.[15] This empirically-derived theory of personality factors and the multidimensional self-report instrument used to measure them are known respectively as the 16 personality factor model and the 16PF Questionnaire (16PF).[16]

Although Cattell is known for researching and identifying dimensions of personality,[17][18] he also undertook a programmatic series of empirical studies into the basic dimensions of other psychological domains: intelligence,[19]motivation,[20]career assessment and vocational interests.[21] Cattell theorized the existence of fluid and crystallized intelligence to explain human cognitive ability,[22] investigated changes in Gf and Gc over the lifespan,[23] and constructed the Culture Fair Intelligence Test to minimize the bias of written language and cultural background in intelligence testing.[24]

Innovations and accomplishments

Cattell's research was mainly in personality, abilities, motivations, and innovative multivariate research methods and statistical analysis (especially his many refinements to exploratory factor analytic methodology).[8][25] In his personality research, he is best remembered for his factor-analytically derived 16-factor model of normal personality structure,[10] arguing for this model over Eysenck's simpler higher-order 3-factor model, and constructing measures of these primary factors in the form of the 16PF Questionnaire (and its downward extensions: HSPQ, and CPQ, respectively).[15] He was the first to propose a hierarchical, multi-level model of personality with the many basic primary factors at the first level and the fewer, broader, "second-order" factors at a higher stratum of personality organization.[26] These "global trait" constructs are the precursors of the currently popular Big Five (FFM) model of personality.[27][28][29][30] Cattell's research led to further advances, such as distinguishing between state and trait measures (e.g., state-trait anxiety),[31] ranging on a continuum from immediate transitory emotional states, through longer-acting mood states, dynamic motivational traits, and also relatively enduring personality traits.[32] Cattell also conducted empirical studies into developmental changes in personality trait constructs across the lifespan.[33]

In the cognitive abilities domain, Cattell researched a wide range of abilities, but is best known for the distinction between fluid and crystallized intelligence.[22] He distinguished between the abstract, adaptive, biologically-influenced cognitive abilities that he called "fluid intelligence" and the applied, experience-based and learning-enhanced ability that he called "crystallized intelligence." Thus, for example, a mechanic who has worked on airplane engines for 30 years might have a huge amount of "crystallized" knowledge about the workings of these engines, while a new young engineer with more "fluid intelligence" might focus more on the theory of engine functioning, these two types of abilities might complement each other and work together toward achieving a goal. As a foundation for this distinction, Cattell developed the investment-model of ability, arguing that crystallized ability emerged from the investment of fluid ability in a particular topic of knowledge. He contributed to cognitive epidemiology with his theory that crystallized knowledge, while more applied, could be maintained or even increase after fluid ability begins to decline with age, a concept used in the National Adult Reading Test (NART). Cattell constructed a number of ability tests, including the Comprehensive Ability Battery (CAB) that provides measures of 20 primary abilities,[34] and the Culture Fair Intelligence Test (CFIT) which was designed to provide a completely non-verbal measure of intelligence like that now seen in the Raven's. The Culture Fair Intelligence Scales were intended to minimize the influence of cultural or educational background on the results of intelligence tests.[35]

In regard to statistical methodology, in 1960 Cattell founded the Society of Multivariate Experimental Psychology (SMEP), and its journal Multivariate Behavioral Research, in order to bring together, encourage, and support scientists interested in multi-variate research.[36] He was an early and frequent user of factor analysis (a statistical procedure for finding underlying factors in data). Cattell also developed new factor analytic techniques, for example, by inventing the Scree Test, which uses the curve of latent roots to judge the optimal number of factors to extract.[37] He also developed a new factor analysis rotation procedure--the "Procrustes" or non-orthogonal rotation, designed to let the data itself determine the best location of factors, rather than requiring orthogonal factors. Additional contributions include the Coefficient of Profile Similarity (taking account of shape, scatter, and level of two score profiles); P-technique factor analysis based on repeated measurements of a single individual (sampling of variables, rather than sampling of persons); dR-technique factor analysis for elucidating change dimensions (including transitory emotional states, and longer-lasting mood states); the Taxonome program for ascertaining the number and contents of clusters in a data set; the Rotoplot program for attaining maximum simple structure factor pattern solutions.[8] As well, he put forward the Dynamic Calculus for assessing interests and motivation,[20][38] the Basic Data Relations Box (assessing dimensions of experimental designs),[39] the group syntality construct ("personality" of a group),[40] the triadic theory of cognitive abilities,[41] the Ability Dimension Analysis Chart (ADAC),[42] and Multiple Abstract Variance Analysis (MAVA), with "specification equations" to embody genetic and environmental variables and their interactions.[43]

As Lee J. Cronbach at Stanford University stated:

"The thirty-year evolution of the data box and related methodology fed on bold conjecture, self-criticism, unbridled imagination, rational comparison of models in the abstract, and responsiveness to the nasty surprises of data. The story epitomizes scientific effort at its best. (p.240)"[44]



Raymond Cattell was born on 20 March 1905 in Hilltop, West Bromwich, a small town in England near Birmingham where his father's family was involved in inventing new parts for engines, automobiles and other machines. Thus, his growing up years were a time when great technological and scientific ideas and advances were taking place and this greatly influenced his perspective on how a few people could actually make a difference in the world. He wrote: "1905 was a felicitous year in which to be born. The airplane was just a year old. The Curies and Rutherford in that year penetrated the heart of the atom and the mystery of its radiations, Alfred Binet launched the first intelligence test, and Einstein, the theory of relativity.[1][45]

When Cattell was about five years old, his family moved to Torquay, Devon, in the south-west of England, where he grew up with strong interests in science and spent a lot of time sailing around the coastline. He was the first of his family (and the only one in his generation) to attend university: in 1921, he was awarded a scholarship to study chemistry at King's College, London, where he obtained a B.Sc.(Hons) degree with 1st-class honors at age 19 years.[1][46] While studying physics and chemistry at university he learned from influential people in many other fields, who visited or lived in London. He writes: "[I] browsed far outside science in my reading and attended public lectures - Bertrand Russell, H. G. Wells, Huxley, and Shaw being my favorite speakers (the last, in a meeting at King's College, converted me to vegetarianism - for almost two years!" (p.64).[47]

As he observed first-hand the terrible destruction and suffering after World War I, Cattell was increasingly attracted to the idea of applying the tools of science to the serious human problems that he saw around him. He stated that in the cultural upheaval after WWI, he felt that his laboratory table had begun to seem too small and the world's problems so vast.[47] Thus, he decided to change his field of study and pursue a Ph.D in psychology at King's College, London, which he received in 1929. The title of his Ph.D dissertation was "The Subjective Character of Cognition and Pre-Sensational Development of Perception". His Ph.D advisor at King's College, London, was Francis Aveling, D.D., D.Sc., Ph.D., D.Litt., who was also President of the British Psychological Society from 1926 until 1929.[1][48][49][50][51] In 1939, Cattell was honored for his outstanding contributions to psychological research with conferral of the prestigious higher doctorate - D.Sc. from the University of London.[36]

While working on his Ph.D., Cattell had accepted a position teaching and counseling in the Department of Education at Exeter University.[1] He ultimately found this disappointing because there was limited opportunity to conduct research.[1] During his three years at Exeter, Cattell courted and married Monica Rogers, whom he had known since his boyhood in Devon and they had a son together. Soon afterward he moved to Leicester where he organized one of England's first child guidance clinics. It was also in this time period that he finished his first book "Under Sail Through Red Devon," which described his many adventures sailing around the coastline and estuaries of South Devon and Dartmoor.[47]

United States

In 1937, he reluctantly left England and moved to the United States, when he was invited by Edward Thorndike, to come to Columbia University. Then, when the G. Stanley Hall professorship in psychology became available at Clark University in 1938, Cattell was recommended by Thorndike and was appointed to the position at age 34 years. After a few productive years at Clark, he was invited by Gordon Allport to join the Harvard University faculty in 1941. While at Harvard he planned and began some of the research in personality that would become the foundation for much of his later scientific work in this area.[1]

During World War II, Cattell served as a civilian consultant to the U.S. government researching and developing tests for selecting officers in the armed forces. With the war coming to an end, Cattell returned to teaching at Harvard and married Alberta Karen Schuettler, a Ph.D student in mathematics at Radcliffe College. Over the years, she worked with Cattell on many aspects of his research, writing, and test development. They were married for over 30 years and had three daughters and a son.[47]

Herbert Woodrow, professor of psychology at the University of Illinois at Urbana-Champaign and president of the APA, was searching for someone with a background in multivariate methods to establish a research laboratory. Cattell was invited to assume this position in 1945 and he accepted. With this newly created research professorship in psychology, he was able to obtain sufficient grant support for two Ph.D. associates, four graduate research assistants, and clerical assistance.[47]

One reason that Cattell moved to the University of Illinois was because the first electronic computer built and owned entirely by a US educational institution - "Illinois Automatic Computer" (Illiac I) - was being developed there, which made it possible for him to complete large-scale factor analyses, which had hitherto had been impossible to conduct. At the University of Illinois, Raymond Cattell founded the Laboratory of Personality Assessment and Group Behavior.[47] In 1949, he and his wife, Alberta Karen Cattell, founded the Institute for Personality and Ability Testing (IPAT). Karen Cattell served as director of IPAT until 1993. Cattell remained in the Illinois research professorship until he reached the university's mandatory retirement age in 1973. A few years after he retired from the University of Illinois he built a home in Boulder, Colorado, where he spent a couple years writing and publishing the results of a variety of research projects that had been left unfinished in Illinois.[1]

In 1977 he decided to move to Hawaii, largely because of his lifelong love of the ocean and sailing (see his first book Under Sail Through Red Devon which he wrote about his early years of extensive sailing around his home in Devon, England). He continued his career as a part-time professor and adviser at the University of Hawaii. He also served as adjunct faculty of the Hawaii School of Professional Psychology. After settling in Hawaii he married Heather Birkett, a clinical psychologist, who later carried out extensive research using the 16PF and other tests.[52][53] During the last two decades of his life in Hawaii, Cattell continued to publish a variety of scientific articles, as well as books on motivation, the scientific use of factor analysis, two volumes of personality and learning theory, the inheritance of personality, and co-edited a book on functional psychological testing, as well as a complete revision of his highly renowned Handbook of Multivariate Experimental Psychology.[39]

Cattell and his wife Heather Birkett Cattell lived on a lagoon in the southeast corner of Oahu where he kept a small sailing boat. Around 1990, he had to give up his 80-year sailing career because of navigational challenges resulting from old age. He died peacefully at home in Honolulu on 2 February 1998, at age 92 years (one month short of 93 years). He is buried in the Valley of the Temples on a hillside overlooking the sea. [3] Consistent with his will, his remaining funds have been used to build a school for underprivileged children in Cambodia [4]. He was an atheist.[54]

Scientific orientation

When Cattell entered the fledgling field of psychology in the 1920s, he felt that the domain of personality was dominated by speculative ideas that were largely intuitive with little/no empirical research basis.[10] Cattell accepted E.L. Thorndike's empiricist viewpoint that "If something actually did exist, it existed in some amount and hence could be measured.".[55]

Cattell found that constructs used by early psychological theorists tended to be somewhat subjective and poorly defined. For example, after examining over 400 published papers on the topic of "anxiety" in 1965, Cattell stated: "The studies showed so many fundamentally different meanings used for anxiety and different ways of measuring it, that the studies could not even be integrated.".[56] Early personality theorists tended to provide little objective evidence or research bases for their theories. Cattell wanted psychology to become more like other sciences, whereby a theory could be tested in an objective way that could be understood and replicated by others. In Cattell's words:

"Psychology appeared to be a jungle of confusing, conflicting, and arbitrary concepts. These pre-scientific theories doubtless contained insights which still surpass in refinement those depended upon by psychiatrists or psychologists today. But who knows, among the many brilliant ideas offered, which are the true ones? Some will claim that the statements of one theorist are correct, but others will favour the views of another. Then there is no objective way of sorting out the truth except through scientific research."[57]

Emeritus Professor Arthur B. Sweney, an expert in psychometric test construction,[58] summed up Cattell's methodology:

"[Cattell] was without exception the one man who made the most major strides in systematizing the field of behavioral science from all of its diverse facets into a real science based on empirical, replicable and universal principles. Seldom has psychology had such a determined, systematic explorer dedicated not only to the basic search for scientific knowledge but also to the need to apply science for the benefit of all." [5]

Also, according to Sheehy (2004, p. 62),

"Cattell made fundamental contributions to our understanding of ability and the structure of personality."[59]

In 1994, Cattell was one of 52 signatories on "Mainstream Science on Intelligence,[60]" an editorial written by Linda Gottfredson and published in the Wall Street Journal which declared the consensus of the signing scholars on IQ research following the publication of the book The Bell Curve.

Multivariate research

Rather than pursue a "univariate" research approach to psychology, studying the effect that a single variable (such as "dominance") might have on another variable (such as "decision-making"), Cattell pioneered the use of multivariate experimental psychology (the analysis of several variables simultaneously).[6][39][59] He believed that behavioral dimensions were too complex and interactive to fully understand variables in isolation. The classical univariate approach required bringing the individual into an artificial laboratory situation and measuring the effect of one particular variable on another - also known as the "bivariate" approach, while the multivariate approach allowed psychologists to study the whole person and their unique combination of traits within a natural environmental context. Multivariate experimental research designs and multivariate statistical analyses allowed for the study of "real-life" situations (e.g., depression, divorce, loss) that could not be manipulated in an artificial laboratory environment.[36]

Cattell applied multivariate research methods across several intrapersonal psychological domains: the trait constructs (both normal and abnormal) of personality, motivational or dynamic traits, emotional and mood states, as well as the diverse array of cognitive abilities.[14] In each of these domains, he considered there must be a finite number of basic, unitary dimensions that could be identified empirically. He drew a comparison between these fundamental, underlying (source) traits and the basic dimensions of the physical world that were discovered and presented, for example, in the periodic table of chemical elements.[15]

In 1960, Cattell organized and convened an international symposium to increase communication and cooperation among researchers who were using multivariate statistics to study human behavior. This resulted in the foundation of the Society of Multivariate Experimental Psychology (SMEP) and its flagship journal, Multivariate Behavioral Research. He brought many researchers from Europe, Asia, Africa, Australia, and South America to work in his lab at the University of Illinois.[36] Many of his books involving multivariate experimental research were written in collaboration with notable colleagues.[61]

Factor analysis

Cattell noted that in the hard sciences such as chemistry, physics, astronomy, as well as in medical science, unsubstantiated theories were historically widespread until new instruments were developed to improve scientific observation and measurement. In the 1920s, Cattell worked with Charles Spearman who was developing the new statistical technique of factor analysis in his effort to understand the basic dimensions and structure of human abilities. Factor analysis became a powerful tool to help uncover the basic dimensions underlying a confusing array of surface variables within a particular domain.[8]

Factor analysis was built upon the earlier development of the correlation coefficient, which provides a numerical estimate of the degree to which variables are "co-related". For example, if "frequency of exercise" and "blood pressure level" were measured on a large group of people, then intercorrelating these two variables would provide a quantitative estimate of the degree to which "exercise" and "blood pressure" are directly related to each other. Factor analysis performs complex calculations on the correlation coefficients among the variables within a particular domain (such as cognitive ability or personality trait constructs) to determine the basic, unitary factors underlying the particular domain.[62]

While working at the University of London with Spearman exploring the number and nature of human abilities, Cattell postulated that factor analysis could be applied to other areas beyond the domain of abilities. In particular, Cattell was interested in exploring the basic taxonomic dimensions and structure of human personality.[14] He believed that if exploratory factor analysis were applied to a wide range of measures of interpersonal functioning, the basic dimensions within the domain of social behavior could be identified. Thus, factor analysis could be used to discover the fundamental dimensions underlying the large number of surface behaviors, thereby facilitating more effective research.

As noted above, Cattell made many important innovative contributions to factor analytic methodology, including the Scree Test to estimate the optimal number of factors to extract,[37] the "Procrustes" oblique rotation strategy, the Coefficient of Profile Similarity, P-technique factor analysis, dR-technique factor analysis, the Taxonome program, as well the Rotoplot program for attaining maximum simple structure solutions.[8] In addition, many eminent researchers received their grounding in factor analytic methodology under the guidance of Cattell, including Richard Gorsuch, an authority on exploratory factor analytic methods.[63]

Personality theory

In order to apply factor analysis to personality, Cattell believed it was necessary to sample the widest possible range of variables. He specified three kinds of data for comprehensive sampling, to capture the full range of personality dimensions:

  1. Life data (or L-data), which involves collecting data from the individual's natural, everyday life behaviors, measuring their characteristic behavior patterns in the real world. This could range from number of traffic accidents or number of parties attended each month, to grade point average in school or number of illnesses or divorces.
  2. Experimental data (or T-data) which involves reactions to standardized experimental situations created in a lab where a subject's behavior can be objectively observed and measured.
  3. Questionnaire data (or Q-data), which involves responses based on introspection by the individual about their own behavior and feelings. He found that this kind of direct questioning often measured subtle internal states and viewpoints that might be hard to see or measure in external behavior.

In order for a personality dimension to be called "fundamental and unitary," Cattell believed that it needed to be found in factor analyses of data from all three of these measurement domains. Thus, Cattell constructed measures of a wide range of personality traits in each medium (L-data; Q-data; T-data). He then conducted a programmatic series of factor analyses on the data derived from each of the three measurement media in order to elucidate the dimensionality of human personality structure.[10]

With the help of many colleagues, Cattell's factor-analytic studies[8] continued over several decades, eventually finding at least 16 primary trait factors underlying human personality (comprising 15 personality dimensions and one cognitive ability dimension: Factor B in the 16PF). He decided to name these traits with letters (A, B, C, D, E...) in order to avoid misnaming these newly discovered dimensions, or inviting confusion with existing vocabulary and concepts. Factor-analytic studies conducted by many researchers in diverse cultures around the world have provided substantial support for the validity of these 16 trait dimensions.[64]

In order to measure these trait constructs across different age ranges, Cattell constructed (Q-data) instruments that included the Sixteen Personality Factor Questionnaire (16PF) for adults, the High School Personality Questionnaire (HSPQ) - now named the Adolescent Personality Questionnaire (APQ), and the Children's Personality Questionnaire (CPQ).[65] Cattell also constructed the (T-data) Objective Analytic Battery (OAB) that provided measures of the 10 largest personality trait factors extracted factor analytically,[66][67] as well as objective (T-data) measures of dynamic trait constructs such as the Motivation Analysis Test (MAT), the School Motivation Analysis Test (SMAT), and the Children's Motivation Analysis Test (CMAT).[20][68] In order to measure trait constructs within the abnormal personality sphere, Cattell constructed the Clinical Analysis Questionnaire (CAQ)[69][70] Part 1 of the CAQ measures the 16PF factors, While Part 2 measures an additional 12 abnormal (psychopathological) personality trait dimensions. The CAQ was later re-badged as the PsychEval Personality Questionnaire (PEPQ).[71][72] Also within the broadly conceptualized personality domain, Cattell constructed measures of mood states and transitory emotional states, including the Eight State Questionnaire (8SQ)[73][74] In addition, Cattell was at the forefront in constructing the Central Trait-State Kit.[75][76]

From the very beginning of his academic career, Cattell reasoned that, as in other scientific domains like intelligence, there might be an additional, higher level of organization within personality which would provide a structure for the many primary traits. When he factor analyzed the intercorrelations of the 16 primary trait measures themselves, he found no fewer than five "second-order" or "global factors", now commonly known as the Big Five.[27][29][30] These second-stratum or "global traits" are conceptualized as broad, overarching domains of behavior, which provide meaning and structure for the primary traits. For example, the "global trait" Extraversion has emerged from factor-analytic results comprising the five primary trait factors that are interpersonal in focus.[77]

Thus, "global" Extraversion is fundamentally defined by the primary traits that are grouped together factor analytically, and, moving in the opposite direction, the second-order Extraversion factor gives conceptual meaning and structure to these primary traits, identifying their focus and function in human personality. These two levels of personality structure can provide an integrated understanding of the whole person, with the "global traits" giving an overview of the individual's functioning in a broad-brush way, and the more-specific primary trait scores providing an in-depth, detailed picture of the individual's unique trait combinations (Cattell's "Depth Psychometry" p. 71).[4]

Research into the 16PF personality factors has shown these constructs to be useful in understanding and predicting a wide range of real life behaviors.[78][79] Thus, the 16 primary trait measures plus the five major second-stratum factors have been used in educational settings to study and predict achievement motivation, learning or cognitive style, creativity, and compatible career choices; in work or employment settings to predict leadership style, interpersonal skills, creativity, conscientiousness, stress-management, and accident-proneness; in medical settings to predict heart attack proneness, pain management variables, likely compliance with medical instructions, or recovery pattern from burns or organ transplants; in clinical settings to predict self-esteem, interpersonal needs, frustration tolerance, and openness to change; and, in research settings to predict a wide range of behavioral proclivities such as aggression, conformity, and authoritarianism.[80]

Cattell's programmatic multivariate research which extended from the 1940s through the 70's[81][82][83] resulted in several books that have been widely recognized as identifying fundamental taxonomic dimensions of human personality and motivation and their organizing principles:

  • The Description and Measurement of Personality (1946)
  • An Introduction to Personality Study (1949)
  • Personality: A Systematic, Theoretical, and Factual Study (1950)
  • Factor Analysis (1952)
  • Personality and Motivation Structure and Measurement (1957)
  • The Meaning and Measurement of Neuroticism and Anxiety (1961)
  • Personality Factors in Objective Test Devices (1965)
  • The Scientific Analysis of Personality (1965)
  • Handbook of Multivariate Experimental Psychology (1966)
  • Objective Personality and Motivation Tests (1967)
  • Handbook for the Sixteen Personality Questionnaire (16PF) (1970)
  • Personality and Mood by Questionnaire (1973)
  • Motivation and Dynamic Structure (1975)
  • Handbook of Modern Personality Theory (1977)
  • The Scientific Analysis of Personality and Motivation (1977)
  • Personality Theory in Action: Handbook for the O-A Test Kit (1978)
  • The Scientific use of Factor Analysis in Behavioral and Life Sciences (1978)
  • Personality and Learning Theory: Vols. 1 & 2 (1979)
  • Structured Personality-Learning Theory (1983)
  • Human Motivation and the Dynamic Calculus (1985)
  • Psychotherapy by Structured Learning Theory (1987)
  • Handbook of Multivariate Experimental Psychology (1988)

The books listed above document a programmatic series of empirical research studies based on quantitative personality data derived from objective tests (T-data), from self-report questionnaires (Q-data), and from observer ratings (L-data). They present a theory of personality development over the human life span, including effects on the individual's behavior from family, social, cultural, biological, and genetic influences, as well as influences from the domains of motivation and ability.[84]

As Hans Eysenck at the Institute of Psychiatry, London remarked:

"Cattell has been one of the most prolific writers in psychology since Wilhelm Wundt....According to the Citation Index, he is one of the ten most cited psychologists, and this is true with regard to not only citations in social science journals but also those in science journals generally. Of the two hundred and fifty most cited scientists, only three psychologists made the grade, namely, Sigmund Freud in the first place, then the reviewer [H.J. Eysenck], and then Cattell. Thus there is no question that Cattell has made a tremendous impression on psychology and science in general."[85]

Criticism and the APA Lifetime Achievement Award

In 1997, at 92 years of age, Cattell was chosen by the American Psychological Association (APA) for its "Gold Medal Award for Lifetime Achievement in the Science of Psychology." Before the medal was presented, Barry Mehler launched a publicity campaign against Cattell[86] through his nonprofit foundation ISAR accusing Cattell of being sympathetic to racist and fascist ideas[87] and claiming that "it is unconscionable to honor this man whose work helps to dignify the most destructive political ideas of the twentieth century". A blue-ribbon committee was convened by the APA to investigate the legitimacy of the charges. However, before the committee reached a decision, Cattell issued an open letter to the committee saying "I abhor racism and discrimination based on race. Any other belief would be antithetical to my life's work" and saying that "it is unfortunate that the APA announcement ... has brought misguided critics' statements a great deal of publicity."[88] He refused the award, withdrawing his name from consideration. The "blue ribbon" committee was therefore disbanded and Cattell, in failing health, died months later.

William H. Tucker[89][90] and Barry Mehler[91][92] have criticized Cattell based on his writings about eugenics, evolution and political systems. They argue that throughout his life Cattell adhered to a mixture of eugenics and a new religion of his devising which he eventually named Beyondism and proposed as "a new morality from science".[93] Beyondism is based on the hypothetical premise that evolution of groups, like individuals, is based on "survival of the fittest". Cattell argues that a diversity of cultural groups is necessary to allow that evolution. Cattell entertains controversial speculations about natural selection based not only on the separation of groups but also the restriction of "external" assistance to "failing" groups from "successful" ones, and by arguing for "survival of the fittest" through "educational and voluntary birth control measures"-- i.e., by separating groups and limiting excessive growth of failing groups.[94] John Gillis, biographer of Cattell has argued that, although some of Cattell's views are indeed controversial, Tucker and Mehler have exaggerated and misrepresented his views by taking quotes out of context, and by referring back to outdated writings.[95]

In analysing the accusations that resulted in withholding of Cattell's Gold Medal Award, Magrietha Lotz (2008, p. 136) concluded that: "Cattell was deliberately misquoted...and labelled as an academic racist. The views he developed in the 1930s were common among his contemporaries when beliefs in racial differences were widely held, and should not be distorted by judgment according to today's standards. General scientific observations should not be read as personal moral statements. He was particularly wronged during the 1990s by certain writers (William H. Tucker and Barry Mehler) who picked out certain references referring to Germany, Hitler or genocide and quoted them out of context."[96] Moreover, in 1984 Cattell had stated unambiguously that: "The only reasonable thing is to be noncommittal on the race question - that's not the central issue, and it would be a great mistake to be sidetracked into all the emotional upsets that go on in discussions of racial differences. We should be quite careful to dissociate eugenics from it - eugenics' real concern should be with individual differences."[13] Indeed, contrary to the allegations of racism, Richard L. Gorsuch (1997) wrote (in a letter to the American Psychological Foundation, para. 4) that: "The charge of racism is 180 degrees off track. [Cattell] was the first one to challenge the racial bias in tests and to attempt to reduce that problem."[13]

Notable quotes

Psychology is a more tricky field, in which even outstanding authorities have been known to run in circles, 'describing things which everyone knows in language which no one understands' .[97]

Selected publications

Raymond Cattell's papers and books are the 7th most highly referenced in peer-reviewed psychology journals over the past century.[12] His 25 most cited publications are:[98]

  • Cattell, R. B. (1966). The Scree Test for the number of factors. Multivariate Behavioral Research, 1(2), 245-276. (11290 citations)
  • Cattell, R. B. et al. (1970). Handbook for the 16 Personality Factor Questionnaire (16PF) in Clinical Educational Industrial and Research Psychology. Champaign, IL: IPAT. (3486 citations)
  • Cattell, R. B., Eber, H. W., & Tatsuoka, M. M. (1970). Handbook for the Sixteen Personality Factor Questionnaire (16 PF). Champaign IL: IPAT. (3048 citations)
  • Cattell, R. B. (1971). Abilities: Their Structure, Growth, and Action. Boston, MA: Houghton Mifflin. (2566 citations)
  • Cattell, R. B. (1963). Theory of fluid and crystallized intelligence: A critical experiment. Journal of Educational Psychology, 54, 1-22. (2632 citations)
  • Cattell, R. B. (1957). Personality and Motivation Structure and Measurement. New York: World Book. (2334 citations)
  • Cattell, R. B. (1978). The Scientific Use of Factor Analysis in Behavioral and Life Sciences. New York: plenum. (2485 citations)
  • Cattell, R. B. & Kline, P. (1977). The Scientific Analysis of Personality and Motivation. New York: Academic. (2340 citations)
  • Horn, J. L. & Cattell, R. B. (1966). Refinement and test of the theory of fluid and crystallized intelligence. Journal of Educational Psychology, 57, 253-270. (1740 citations)
  • Cattell, R. B. (1946). Description and Measurement of Personality. New York: World Book. (1584 citations)
  • Horn, J. L. & Cattell, R. B. (1967). Age difference in fluid and crystallized intelligence. Acta Psychologica, 26, 107-129. (1268 citations)
  • Nesselroade, J. R. & Cattell, R. B. (1988). Handbook of Multivariate Experimental Psychology (Rev. 2nd ed.) New York: Plenum. (1194 citations)
  • Cattell, R. B. & Scheier, I. H. (1961). The Meaning and Measurement of Neuroticism and Anxiety. New York: Ronald Press. (1154 citations)
  • Cattell, R. B. (1987). Intelligence: Its Structure, Growth, and Action. Amsterdam: Elsevier. (1120 citations)
  • Cattell, R. B. (1950). Personality: A Systematic Theoretical and Factual Study. New York: McGraw Hill. (1189 citations)
  • Cattell, R. B. (1943). The description of personality: Basic traits resolved into clusters. Journal of Abnormal and Social Psychology, 38, 476-506. (1138 citations)
  • Cattell, R. B. (1988). The meaning and strategic use of factor analysis. In Handbook of Multivariate Experimental Psychology. New York: Plenum. (1023 citations)
  • Cattell, R. B. (1973). Personality and Mood by Questionnaire. San Francisco, CA: Jossey-Bass. (793 citations)
  • Cattell, R. B. (1943). The measurement of adult intelligence. Psychological Bulletin, 40, 153-193. (656 citations)
  • Cattell, R. B. (1965). Factor analysis: An introduction to essentials I: The purpose and underlying models. Biometrics, 21, 190-215. (633 citations)
  • Cattell, R. B. & Scheier, I. H. (1967). Handbook for the IPAT Anxiety Scale Questionnaire. Champaign IL: IPAT. (631 citations)
  • Cattell, R. B. & Vogelmann, S. (1977). A comprehensive trial of the scree and KG criteria for determining the number of factors. Multivariate Behavioral Research, 12, 289-335. (536 citations)
  • Cattell, R. B. & Butcher, H. J. (1968). The Prediction of Achievement and Creativity. Oxford, UK: Bobbs-Merrill. (426 citations)
  • Cattell, R. B. (1947). Confirmation and clarification of primary personality factors. Psychometrika, 12, 197-220. (400 citations)
  • Cattell, R. B. (1952). Factor Analysis: An Introduction and Manual for the Psychologist and Social Scientist. Oxford, UK: Harper. (362 citations)

Comprehensive list of Cattell's books

See also


  1. ^ a b c d e f g h i Gillis, J. (2014). Loyalty to Truth: The Lives and Works of Raymond B. Cattell. Amazon Kindle Edition.
  2. ^ Festschrift for Raymond B. Cattell (1988). The Analysis of Personality in Research and Assessment: In Tribute to Raymond B. Cattell. (2 April, & 17 June 1986). University College London: Independent Assessment and Research Centre (Preface by K.M. Miller). ISBN 0 9504493 1 8
  3. ^ Cattell, R. B. (1948). Concepts and methods in the measurement of group syntality. Psychological Review, 55(1), 48-63. doi: 10.1037/h0055921
  4. ^ a b Cattell, R. B. (1987). Psychotherapy by Structured Learning Theory. New York: Springer.
  5. ^ Cattell, R. B., & Butcher, H. J. (1968). The Prediction of Achievement and Creativity. Indianapolis: Bobbs-Merrill.
  6. ^ a b Cattell, R. B. (1966). (Ed.), Handbook of Multivariate Experimental Psychology. Chicago, IL: Rand McNally.
  7. ^ Cattell, R. B. (1972). Real base, true zero factor analysis. Multivariate Behavioral Research Monographs 72(1), (1-162). Fort Worth, TX: Texas Christian University Press.
  8. ^ a b c d e f Cattell, R. B. (1978). The Use of Factor Analysis in Behavioral and Life Sciences. New York: Plenum.
  9. ^ Books and Mongraphs of Raymond B. Cattell. Multivariate Behavioral Research, 1984, 19, 344-369.
  10. ^ a b c d Cattell, R. B. (1983). Structured Personality-Learning Theory: A Wholistic Multivariate Research Approach. (pp. 419-457). New York: Praeger.
  11. ^ Eminent Psychologists of the Twentieth Century [Retrieved 22 October 2015]
  12. ^ a b Haggbloom, S. J. et al. (2002). The 100 most eminent psychologists of the 20th century. Review of General Psychology, 6(2), 139-152. doi: 10.1037//1089-2680.6.2.139 (Rankings based on: citations, surveys, and awards/honors)
  13. ^ a b c Boyle, Gregory J.; Stankov, Lazar; Martin, Nicholas G.; Petrides, K.V.; Eysenck, Michael W.; Ortet, Generos. "Hans J. Eysenck and Raymond B. Cattell on intelligence and personality". Personality and Individual Differences. 103: 40-47. doi:10.1016/j.paid.2016.04.029. 
  14. ^ a b c Cattell, R. B. & Kline, P. (1977). The Scientific Analysis of Personality and Motivation. New York: Academic.
  15. ^ a b c Cattell, R. B. (1973). Personality and Mood by Questionnaire. San Francisco: CA: Jossey-Bass.
  16. ^ Cattell, R. B., Eber, H. W., & Tatsuoka, M. M. (1970). Handbook for the Sixteen Personality Factor Questionnaire (16PF). New York: Plenum.
  17. ^ Wiggins, J. S. (1984). Cattell's system from the perspective of mainstream personality theory. Multivariate Behavioral Research, 19, 176-190.
  18. ^ Cattell, R. B. (1983). Structured Personality-Learning Theory: A Wholistic Multivariate Research Approach. New York: Praeger.
  19. ^ Cattell, R. B. (1982). The Inheritance of Personality and Ability: Research Methods and Findings. New York: Academic.
  20. ^ a b c Cattell, R. B. & Child, D. (1975). Motivation and Dynamic Structure. London: Holt, Rinehart & Winston.
  21. ^ Schuerger, J. M. (1995). Career assessment and the Sixteen Personality Factor Questionnaire. Journal of Career Assessment, 3(2), 157-175.
  22. ^ a b Cattell, R. B. (1963). Theory of fluid and crystallized intelligence: A critical experiment. Journal of Educational Psychology, 54, 1-22.
  23. ^ Cattell, R. B. (1971). Abilities: Their Structure, Growth and Action. Boston, MA:: Houghton-Miffin.
  24. ^ Cattell, R. B. & Cattell, A. K. S. (1973). Measuring Intelligence with the Culture Fair Tests. Champaign, IL: IPAT.
  25. ^ Cattell, R. B. (1984). The voyage of a laboratory, 1928-1984. Multivariate Experimental Research, 19, 121-174.
  26. ^ Cattell, R. B. (1943). The description of personality: I. Foundations of trait measurement. Psychological Review, 50, 559-594.
  27. ^ a b Goldberg, L. R. (1993). The structure of phenotypic personality traits. American Psychologist, 48(1), 26-34.
  28. ^ McCrae, R. R. & Costa, P. T. (2008). Empirical and theoretical status of the Five-Factor Model of personality traits. In G.J. Boyle et al. (Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 1 - Personality Theories and Models (pp. 273-294). Los Angeles, CA: Sage. ISBN 1-4129-2365-4
  29. ^ a b Cattell, R. B. (1995). The fallacy of five factors in the personality sphere. The Psychologist, May, 207-208.
  30. ^ a b Boyle, G. J. (2008). Critique of Five-Factor Model (FFM). In G.J. Boyle et al.(Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 1 - Personality Theories and Models. Los Angeles, CA: Sage. ISBN 1-4129-2365-4
  31. ^ Cattell, R. B., & Scheier, I. H. (1961). The Meaning and Measurement of Neuroticism and Anxiety. New York: Ronald Press.
  32. ^ Boyle, G. J., Saklofske, D. H., & Matthews, G. (2015). (Eds.), Measures of Personality and Social Psychological Constructs (Ch. 8). Amsterdam: Elsevier/Academic. ISBN 978-0-12-386915-9
  33. ^ Nesselroade, J. R. (1984). Concepts of intraindividual variability and change: Impressions of Cattell's influence on lifespan developmental psychology. Multivariate Behavioral Research, 19, 269-286.
  34. ^ Hakstian, A. R. & Cattell, R. B. (1982). Manual for the Comprehensive Ability Battery. Champaign, IL: IPAT.
  35. ^ Cattell, R. B. & Cattell, A. K. S. (1977). Measuring Intelligence with the Culture Fair Tests. Champaign, IL: IPAT.
  36. ^ a b c d Cattell, R. B. (1990). The birth of the society of multivariate experimental psychology. Journal of the History of the Behavioral Sciences, 26, 48-57.
  37. ^ a b Cattell, R. B. (1966). The Scree Test for the number of factors. Multivariate Behavioral Research, 1(2), 245-276.
  38. ^ Boyle, G. J. (1988). Elucidation of motivation structure by dynamic calculus. In J.R. Nesselroade & R.B. Cattell (Eds.), Handbook of Multivariate Experimental Psychology (2nd ed., pp. 737-787). New York: Plenum.
  39. ^ a b c Nesselroade, J. R. & Cattell, R. B. (1988). Handbook of Multivariate Experimental Psychology). New York: Plenum.
  40. ^ Cattell, R. B. (1948). Concepts and methods in the measurement of group syntality. Psychological Review, 55(1), 48-63. doi:10.1037/h0055921
  41. ^ Brody N. (1992). Intelligence (pp. 18-36). New York: Academic. (2nd ed.). ISBN 0-12-134251-4
  42. ^ Carroll, J. B. (1984). Raymond B. Cattell's contributions to the theory of cognitive abilities. Multivariate Behavioral Research, 19, 300-306.
  43. ^ Cattell, R. B. (1979, 1980). Personality and Learning Theory, Vols. 1 & 2. New York: Springer.
  44. ^ Cronbach, L. J. (1984). A research worker's treasure chest. Multivariate Behavioral Research, 19, 223-240.
  45. ^ Child, D. (1998). Obituary: Raymond Bernard Cattell (1905-1998), British Journal of Mathematical and Statistical Psychology, 51, 353-357.
  46. ^ Horn, J. L. (1998). Introduction of Raymond B. Cattell. In J.J. McArdle & R.W.Woodcock (Eds.), Human Cognitive Abilities in Theory and Practice. (p.25)
  47. ^ a b c d e f Cattell, R. B. (1973). Autobiography. In G. Lindsey (Ed.), A History of Psychology in Autobiography (Vol. VI). New York: Appleton-Century-Crofts.
  48. ^ Child, D. (1998). Obituary: Raymond Bernard Cattell (1905-1998). British Journal of Mathematical and Statistical Psychology, 51, 353-357. (see p.354)
  49. ^ Sheehy, N. (2004). Fifty Key Thinkers in Psychology (p.61). London: Routledge. ISBN 0-203-44765-4; ISBN 0-203-75589-8; ISBN 0-415-16774-4; ISBN 0-415-16775-2.
  50. ^ Presidents of the British Psychological Society. History of Psychology Centre, BPS. http://hopc.bps.org.uk/hopc/histres/bpshistory/presidents$.cfm (Retrieved 4 July 2015)
  51. ^ Cattell, R. B. (Oct. 1941). Obituary: Francis Aveling: 1875-1941. American Journal of Psychology, 54(4), 608-610.
  52. ^ Birkett-Cattell, H. (1989). The 16PF: Personality in Depth. Champaign, IL: IPAT.
  53. ^ Birkett-Cattell, H. & Cattell, H. E. P. (1997). 16PF Cattell Comprehensive Personality Interpretation Manual. Champaign, IL: IPAT.
  54. ^ Michael Martin (2007). The Cambridge Companion to Atheism. Cambridge University Press. p. 310. ISBN 9780521842709. "Among celebrity atheists with much biographical data, we find leading psychologists and psychoanalysts. We could provide a long list, including...Raymond B. Cattell..."
  55. ^ Thorndike, E. L. (1932), The Fundamentals of Learning, AMS Press Inc., ISBN 0-404-06429-9
  56. ^ Cattell, R. B. (1965). The Scientific Analysis of Personality (p.55). Baltimore, MD: Penguin.
  57. ^ Cattell, R. B. (1965). The Scientific Analysis of Personality (p.14). Baltimore, MD: Penguin.
  58. ^ Sweney, A. B., & Cattell, R. B. (1962). Relationships between integrated and unintegrated motivation structure examined by objective tests. Journal of Social Psychology, 57, 217-226.
  59. ^ a b Sheehy, N. (2004). Fifty Key Thinkers in Psychology (p.62). London: Routledge. ISBN 0-203-44765-4; ISBN 0-203-75589-8; ISBN 0-415-16774-4; ISBN 0-415-16775-2.
  60. ^ Gottfredson, L. (December 13, 1994). Mainstream Science on Intelligence. Wall Street Journal, p. A18.(reprinted in Intelligence, 1997, 24(1), 13-23)
  61. ^ For example, The Meaning and Measurement of Neuroticism and Anxiety (1961) with Ivan Scheier, Objective Personality and Motivation Tests (1967) with Frank Warburton, The Prediction of Achievement and Creativity(1968) with Jim Butcher, Handbook of the Sixteen Personality Factor Questionnaire (1970) with Herbert Eber and Maurice Tatsuoka, Cross-Cultural Comparison (USA, Japan, Austria) of Personality Structure in Objective Tests (1973), with Kurt Pawlik and Bien Tsujioka, Motivation and Dynamic Structure (1975) with Dennis Child, Handbook of Modern Personality Theory (1977) with Ralph Dreger, The Scientific Analysis of Personality and Motivation (1977) with Paul Kline, Personality Theory in Action: Handbook for the Objective-Analytic (O-A) Test Kit (1978) with James Schuerger, Functional Psychological Testing (1986) with Ronald Johnson, the Handbook of Multivariate Experimental Psychology (1988) (Rev. 2nd ed.) with John Nesselroade, and The 16PF: Personality in Depth (1989) with Heather Birkett.
  62. ^ McArdle, J. J. (1984). Cattell's contributions to structural equation modeling. Multivariate Experimental Psychology, 19, 245-267.
  63. ^ Gorsuch, R. L. (1983). Factor analysis. (Rev. 2nd ed.). Hillsdale, NJ: Erlbaum. ISBN 978-0898592023
  64. ^ Studies that provide support for Cattell's 16-factor theory include: Boyle, G.J. (1989). Re-examination of the major personality factors in the Cattell, Comrey and Eysenck scales: Were the factor solutions of Noller et al. optimal? Personality and Individual Differences, 10(12), 1289-1299. Carnivez, G.L. & Allen, T.J. (2005). Convergent and factorial validity of the 16PF and the NEO-PI-R. Paper presented at the APA Annual Convention, Washington, D.C. Cattell, R.B. & Krug, S.E. (1986). The number of factors in the 16PF: A review of the evidence with special emphasis on methodological problems. Educational and Psychological Measurement, 46, 509-522. Chernyshenko, O.S., Stark, S., & Chan, K.Y. (2001). Investigating the hierarchical factor structure of the fifth edition of the 16PF: An application of the Schmid-Leiman orthogonalisation procedure. Educational and Psychological Measurement, 61(2), 290-302. Conn, S.R. & Rieke, M.L. (1994). The 16PF Fifth Edition Technical Manual. Champaign, IL: IPAT. Dancer, L.J. & Woods, S.A. (2007). Higher-order factor structures and intercorrelations of the 16PF5 and FIRO-B. International Journal of Selection and Assessment, 14(4), 385-391. Gerbing, D.W. & Tuley, M.R. (1991). The 16PF related to the five-factor model of personality: Multiple-indicator measurement versus the a priori scales. Multivariate Behavioral Research, 26(2), 271-289. Hofer, S.M., Horn, J.L., & Eber, H.W. (1997). A robust five-factor structure of the 16PF: Strong evidence from independent rotation and confirmatory factorial invariance procedures. Personality and Individual Differences, 23(2), 247-269. Krug, S.E. & Johns, E.F. (1986). A large-scale cross-validation of second-order personality structure defined by the 16PF. Psychological Reports, 59, 683-693. McKenzie, J., Tindell, G., & French, J. (1997). The great triumvirate: Agreement between lexically and psycho-physiologically based models of personality. Personality and Individual Differences, 22(2), 269-277. Mogenet, J.L., & Rolland, J.P. (1995). 16PF5 de R.B. Cattell. Paris, France: Les Editions du Centre de Psychologie Appliquée. Motegi, M. (1982). Japanese Translation and Adaptation of the 16PF. Tokyo: Nihon Bunka Kagakusha. Ormerod, M.B., McKenzie, J., & Woods, A. (1995). Final report on research relating to the concept of five separate dimensions of personality--or six including intelligence. Personality and Individual Differences, 18(4), 451-461. Prieto, J.M., Gouveia, V V., & Fernandez, M A. (1996). Evidence on the primary source trait structure in the Spanish 16PF Fifth Edition. European Review of Applied Psychology, 46(1), 33-43. Schneewind, K. A., & Graf, J. (1998). Der 16-Personlichkeits-Factoren-Test Revidierte Fassung test-manual. Bern, Switzerland: Verlag Hans Huber.
  65. ^ These personality instruments have been available from IPAT, a test publishing company that Cattell and his wife Karen founded (OPP Ltd., Oxford, England is now the parent company of the Institute for Personality and Ability Testing (IPAT) Inc. of Champaign, Illinois).
  66. ^ Cattell, R. B. & Schuerger, J. M. (1978). Personality Theory in Action: Handbook for the Objective-Analytic (O-A) Test Kit. Champaign, IL: IPAT
  67. ^ Schuerger, J. M. (2008). The Objective-Analytic Test Battery. In G.J. Boyle et al. (Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 2 - Personality Measurement and Testing. (pp. 529-546). Los Angeles, CA: Sage ISBN 1-4129-2364-6
  68. ^ Child, D.(1984). Motivation and dynamic calculus: A teacher's view. Multivariate Behavioral Research, 19, 288-298.
  69. ^ Cattell, R. B. & Sells, S. B. (1974). The Clinical Analysis Questionnaire. Champaign, IL: IPAT.
  70. ^ Krug, S. E. (1980). Clinical Analysis Questionnaire Manual. Champaign, IL: IPAT.
  71. ^ Cattell, R. B., Cattell, A. K., & Cattell, H. E. P. (2003). The PsychEval Personality Questionnaire. Champaign, IL: IPAT.
  72. ^ Krug, S. E. (2008). The assessment of clinical disorders with Raymond Cattell's personality model. In G.J. Boyle et al. (Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 2 - Personality Measurement and testing (pp. 646-662). Los Angeles: Sage. ISBN 1-4129-2364-6
  73. ^ Curran, J. P. & Cattell, R. B. (1976). Manual for the Eight State Questionnaire. Champaign, IL: IPAT
  74. ^ Boyle, G. J. (1991). Item analysis of the subscales in the Eight State Questionnaire (8SQ): Exploratory and confirmatory factor analyses. Multivariate Experimental Clinical Research, 10(1), 37-65.
  75. ^ Barton, K. & Cattell, R. B. (1981). The Central Trait-State Kit (CTS): Experimental Version. Champaign, IL: IPAT.
  76. ^ Barton, K. (1985). The Central Trait-State Scales: A Kit of 20 Subtests Measuring Five Central Personality Dimensions as Traits and States, with Equivalent Forms. Champaign, IL: IPAT.
  77. ^ Krug, S. E. & Johns, E. F. (1986). A large scale cross-validation of second-order personality structure defined by the 16PF. Psychological Reports, 59, 683-693.
  78. ^ Conn, S. R. & Rieke, M. L. (1994). The 16PF Fifth Edition Technical Manual. Champaign, IL: IPAT.
  79. ^ Russell, M. T. & Karol, D. L. (1994) The 16PF Fifth Edition Administrator's Manual. Champaign, IL: IPAT.[1]
  80. ^ Cattell, H. E. P. & Mead, A. D. (2008). The Sixteen Personality Factor Questionnaire (16PF). In G.J. Boyle et al.(Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 2 - Personality Measurement and Testing (pp. 135-159). Los Angeles, CA: Sage. ISBN 1-4129-2364-6
  81. ^ Boyle, G.J., & Ortet, G. (1999). En memoria de Raymond B. Cattell (1905-1998). Ansiedad y Estrés (Anxiety and Stress), 5, 123-126.
  82. ^ Boyle, G.J., & Smàri, J. (2000). In memoriam de Raymond B. Cattell. Revue Francophone de Clinique Comportementale et Cognitive, 5, 5-6.
  83. ^ Boyle, G.J. (2000). Obituaries: Raymond B. Cattell and Hans J. Eysenck. Multivariate Experimental Clinical Research, 12, i-vi.
  84. ^ Boyle, G. J. & Barton, K. (2008). Contribution of Cattellian Personality Instruments. In G.J. Boyle et al. (Eds.), The SAGE Handbook of Personality Theory and Assessment: Vol. 2 - Personality Measurement and Testing (pp. 160-178). Los Angeles, CA: Sage. ISBN 1-4129-2364-6
  85. ^ Eysenck, H. J. (1985). Review of Raymond B. Cattell's (1983). Structured Personality-Learning Theory: A Wholistic Multivariate Research Approach. New York: Praeger. (p.76)
  86. ^ ISAR - Beyondist guru to get 1997 Gold Medal at APA
  87. ^ ISAR - R.B. Cattell Homepage
  88. ^ Raymond B. Cattell's Open Letter to the APA
  89. ^ Tucker, W. H. (1994). The Science and Politics of Racial Research. Urbana, IL: University of Illinois Press.
  90. ^ Tucker, W. H. (2009). The Cattell Controversy: Race, Science, and Ideology. Urbana, IL: University of Illinois Press.
  91. ^ Beyondism: Raymond B. Cattell and the New Eugenics
  92. ^ Mehler reports he was mentored by Jerry Hirsch, a critic of Cattell at the University of Illinois, where Cattell and Hirsch spent most of their careers.
  93. ^ Footnote. In fact, Cattell was opposed to subjective religious beliefs, which in October 1987 he described as "emotional"
  94. ^ Cattell, R. B. (1972). A New Morality from Science: Beyondism (pp.95, 221). New York: Pergamon.
  95. ^ Gillis, J. (2007). An Analysis of Accusations. [Retrieved 22 October 2015]
  96. ^ Lotz, M. A. C. M. (2008). Beyondism: The thinking of Raymond Bernard Cattell (1905-1998) on religion, and his religious thought. (Masters Dissertation) Pretoria, South Africa: University of South Africa [2]. [Retrieved 12 August 2017]
  97. ^ Cattell, R. B. (1965, p. 18). The Scientific Analysis of Personality. Chicago, IL: Aldine Publishing Company.
  98. ^ Google Scholar

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