Cattell, R. B. (1964). Validity and reliability: A proposed more basic set of concepts. Journal of Educational Psychology, 55, 1-22.

Cattell, R. B. (1964). Objective personality tests: A reply to Dr. Eysenck. Occupational Psychology, 38, 69-86.

Cattell, R. B. (1964). Beyond validity and reliability: Some further concepts and coefficients for evaluating tests. Journal of Experimental Education, 33, 133-143.

Cattell, R. B. (1964). The definition(s) of anxiety. Journal of the American Medical Association, 190, 859.

Cattell, R. B. (1964). The parental early repressiveness hypothesis for the authoritarian personality factor, U.I. 28. Journal of Genetic Psychology, 106, 333-349.

Cattell, R. B. (1964). Psychological definition and measurement of anxiety. Journal of Neuropsychiatry, 6 (7), 396-402.

Cattell, R. B., & Digman, J. M. (1964). A theory of the structure of perturbations in observer ratings and questionnaire data in personality research. Behavioral Science, 9(4), 41-358.

Cattell, R. B., & Howarth, E. (1964). Verification of objective test personality factor patterns in middle childhood. Journal of Genetic Psychology, 104, 331-349.

Cattell, R. B., & Rickels, K. (1964). Diagnostic power of IPATobjective anxiety and neuroticism. Archives of General Psychology, 11, 459-465.

Cattell, R. B., & Sweney, A. B. (1964). Components measurable in manifestations of mental conflicts. Journal of Abnormal and Social Psychology, 68, 479-490.

Cattell, R. B., & Tsujioka, B. (1964). The importance of factor-trueness and validity, versus homogeneity and orthogonality, in test scales. Educational and Psychological Measurement, 24, 3-30.

Pawlik, K., & Cattell, R. B. (1964). Third-order factors in objective personality tests. British Journal of Psychology, 55, 1-18.

Cattell, R. B. (1965). Methodological and conceptual advances in evaluating hereditary and environmental influences and their interaction. In S. G. Vandenberg (Ed.), Methods and goals in human behavior genetics. New York: Academic Press.

Cattell, R. B. (1965). The configurative method for surer identification of personality dimensions, notably in child study. Psychological Reports, 16, 269-270.

Cattell, R. B. (1965). Factor analysis: An introduction to essentials. I. The purpose and underlying models. Biometrics, 21, 190-215.

Cattell, R. B. (1965). Factor analysis: An introduction to essentials. II. The role of factor analysis in research. Biometrics, 21, 405-435.

Cattell, R. B. (1965). A cross-cultural check on second stratum personality factor structure - notably of anxiety and exvia. Australian Journal of Psychology, 17, 22-23.

Cattell, R. B. (1965). Some deeper significances of the computer for the practicing psychologist. Personnel and Guidance Journal, October, 160-166.

Cattell, R. B., & Gorsuch, R. L. (1965). The definition and measurement of national morale and morality. Journal of Social Psychology, 67, 77-96.

Horn, J. L., & Cattell, R. B. (1965). Vehicles. ipsatization, and the multiple method of measurement of motivation. Canadian Journal of Psychology, 19, 265-279.

Hundleby, J. D., Pawlik, K. & Cattell, R. B. (1965). Personality factors in objective test devices. San Diego: Knapp.

Pawlik, K., & Cattell, R. B. (1965). The relationship between certain personality factors and measures of cortical arousal. Neuropsychologia, 3, 129-151.

Rickels, K., & Cattell, R. B. (1965). The clinical factor validity and trueness of the IPAT verbal and objective batteries for anxiety and regression. Journal of Clinical Psychology, 21, 257-264.

Rickels, K., Cattell, R. B., MacAfee, A., & Hesbacher, P. (1965). Drug response and important external events in the patient's life. Diseases of the Nervous System, 26, 782-786.

Tsujuoka, B., & Cattell, R. B. (1965). Constancy and difference in personality structure and mean profile, in the questionnaire medium, from applying the 16 P.F. test in America and Japan.British Journal of Social and Clinical Psychology, 4, 287-297.

Tsujioka, B., & Cattell, R. B. (1965). A cross-cultural comparison of second-stratum questionnaire personality factor structures - anxiety and extraversion - in America and Japan. Journal of Social Psychology, 65, 205-219.

Cattell, R. B. (Ed.) (1966). Handbook of multivariate experimental psychology. Chicago: Rand McNally.

Cattell, R. B. (1966). The meaning of clinical psychology. In I. A. Berg & L. A. Pennington (Eds.), An introduction to clinical psychology. New York: Ronald Press.

Cattell, R. B. (1966). Higher order factor structure and reticular vs. hierarchical formulae for their interpretation. In C. Banks & P. L. Broadhurst (Eds.), Studies in psychology. London: University of London Press.

Cattell, R. B. (1966). Anxiety and motivation: Theory and crucial experiments. In C. B. Spielberger (Ed.), Anxiety and behavior. New York: Academic Press.

Cattell, R. B. (1966). Personality structure: The larger dimensions. In B. Simeonoff (Ed.), Personality assessment. Baltimore: Penguin.

Cattell, R. B., Coulter, M. A., & Tsujioka, B. (1966). The taxonometric recognition of types and functional entities. In R. B. Cattell (Ed.) Handbook of Multivariate Experimental Psychology(pp. 288-329). Chicago: Rand McNally.

Cattell, R. B. (1966). Patterns of change: Measurement in relation to state-dimension, trait change, lability, and process concepts. In R. B. Cattell (Ed.) Handbook of Multivariate Experimental Psychology (pp. 288-329). Chicago: Rand McNally.

Cattell, R. B. (1966). Cultural and political-economic psychology.In R. B. Cattell (Ed.) Handbook of Multivariate Experimental Psychology (pp. 288-329). Chicago: Rand McNally.

Cattell, R. B. (1966). Multivariate behavioral research and the integrative challenge. Multivariate Behavioral Research, 1(1), 4-23.

Cattell, R. B. (1966). The scree test for the number of factors. Multivariate Behavioral Research, 1(2), 245-276.

Cattell, R. B. (1966). Evaluating therapy as total personality change: Theory and available instruments. American Journal of Psychotherapy, 20(1), 69-88.

Cattell, R. B., & Coulter, M. A. (1966). Principles of behavioral taxonomy and the mathematical basis of the taxonome computer program. British Journal of Mathematical and Statistical Psychology, 19(2), 237-269.

Cattell, R. B., Rickels, K., Weise, C., Gray, B., & Yee, R. (1966). The effects of psychotherapy upon measured anxiety and regression. American Journal of Psychotherapy, 20(2), 261-269.

Cattell, R. B., Sealy, A. P., & Sweney, A. B. (1966). What can  personality and motivation source trait measurements add to the prediction of school acheivement? British Journal of Educational Psychology, 36(3), 280-295.

Cattell, R. B., & Tatro, D. F. (1966). The personality factors, objectively measured, which distinguish psychotics from normals. Behavioral Research and Therapy, 4, 39-51.

Horn, J. L., & Cattell, R. B. (1966). Age differences in primary mental ability factors. Journal of Gerontology, 21(2), 210-220.

Horn, J. L., & Cattell, R. B. (1966). Refinement and test of the theory of fluid and crystallized general intelligence. Journal of Educational Psychology, 57(5), 253-270.

Pierson, G. R., Cattell, R. B., & Pierce, J. (1966). A demonstration by the HSPQ of the nature of the personality changes produced by institutionalization of delinquents. Journal of Social Psychology, 70, 229-239.

Rickels, K, Cattell, R. B., Weise, C., Gray, B., Yee, R., Mallin, A., & Aaronson, H. G. (1966). Controlled psychopharmacological research in private psychiatric practice. Psychopharmacologia, 9, 288-306.

Sealy, A. P., & Cattell, R. B. (1966). Adolescent personality trends in primary factors measured on the 16 P.F. and the HSPQ questionnaires through ages 11 to 23. British Journal of Social and Clinical Psychology, 5, 172-184.

Cattell, R. B. (1967). The theory of fluid and crystallized intelligence checked at the 5-6 year-old level. British Journal of Educational Psychology, 37(2), 209-224.

Cattell, R. B. (1967). Progress in clinical psychology through multivariate experimental designs. Multivariate Behavioral Research (Special Issue), 4-8.

Cattell, R. B. (1967). Trait-view theory of perturbations in ratings and self ratings (L(BR)- and Q-data): Its application to obtaining pure trait score estimates in questionnaires. Psychological Review, 75(2), 96-113.

Cattell, R. B., & Bjerstedt, A. (1967). The structure of depression, by factoring Q-data, in relation to general personality source traits. Scandinavian Journal of Psychology, 8, 17-24.

Cattell, R. B., Eber, H. W., & Delhees, K. H. (1967). A large sample cross-validation of the personality trait structure of the 16 P.F. with some clinical implications. Multivariate Behavioral Research (Special Issue), 107-132.

Cattell, R. B., & Hundleby, J. H. (1967). Conceptual and experimental requirements in relating independence (U.I.19) and field independence in L- and Q-data media: A comment on Dr. Ohnmacht's research. Perceptual and Motor Skills, 27, 733-734.

Cattell, R. B., & Gibbons, B. D. (1967). Personality factor structure of the combined Guilford and Cattell personality questionnaires. Journal of Personality and Social Psychology, 9, 107-120.

Cattell, R. B., & Jaspars, J. (1967). A general plasmode (No. 30-10-5-2) for factor analytic exercises and research. Multivariate Behavioral Research Monographs, 67, 1-212.

Cattell, R. B., & Killian, L. R. (1967). The pattern of objective test personality factor differences in schizophrenia and the character disorders. Journal of Clinical Psychology, 23(3), 343-348.

Cattell, R. B., Komlos, E., & Tatro, D. F. (1967). Significant differences of affective, paranoid, and non-paranoid schizophrenic psychotics on primary source traits in the 16 P.F. Multivariate Behavioral Research (Special Issue), 33-54.

Cattell, R. B., & Krug, S. (1967). Personality factor profile peculiar to the student smoker. Journal of Counseling Psychology, 14(2), 116-121.

Cattell, R. B., & Nesselroade, J. R. (1967). Likeness and completeness theories examined by 16 P.F. measures on stably and unstably married couples. Journal of Personality and Social Psychology, 7(4), 351-361.

Cattell, R. B., & Rickels, K. (1967). The relationship of clinical symptoms and IPAT factored tests of anxiety, regression and asthenia: A factor analytic study. The Journal of Nervous and Mental Disease, 146, 147-160.

Cattell, R. B., & Warburton, F. W. (1967). Objective personality and motivation tests: A theoretical introduction and practical compendium. Champaign, Illinois: University of Illinois Press.

Cross, P. G., Cattell, R. B., & Butcher, H. J. (1967). The personality pattern of creative artists. British Journal of Educational Psychology, 37, 292-299.

Gorsuch, R. L., & Cattell, R. B. (1967). Second stratum personality factors defined in the questionnaire realm by the 16 P.F. Multivariate Behavioral Research, 2, 211-224.

Horn, J. L., & Cattell, R. B. (1967). Age differences in fluid and crystallized intelligence. Acta Psychologica, 26, 107-129.
 

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