Validation of the five-factor model of personality across instruments and observers

Two data sources--self-reports and peer ratings--and two instruments--adjective factors and questionnaire scales--were used to assess the five-factor model of personality. As in a previous study of self-reports (McCrae & Costa, 1985b), adjective factors of neuroticism, extraversion, openness to experience, agreeableness-antagonism, and conscientiousness-undirectedness were identified in an analysis of 738 peer ratings of 275 adult subjects. Intraclass correlations among raters, ranging from .30 to .65, and correlations between mean peer ratings and self-reports, from .25 to .62, showed substantial cross-observer agreement on all five adjective factors. Similar results were seen in analyses of scales from the NEO Personality Inventory. Items from the adjective factors were used as guides in a discussion of the nature of the five factors. These data reinforce recent appeals for the adoption of the five-factor model in personality research and assessment.     

A validation of the five-factor model of personality in academically talented youth across observers and instruments

Four instruments—the NEO-Five-Factor Inventory (NEO-FFI), the Adjective Check List (ACL), the Myers–Briggs Type Indicator (MBTI) and the California Child Q-Set (CCQ)—and two data sources—self reports and parental ratings—were used to assess personality dimensions according to the five-factor model of personality in 870 academically talented youth (mean age = 13.77) from the U.S.A. Data from the parents of 565 of these children were also analysed. The factor structure of the self and parent reports, the convergence between the two sources of reports and the correlations of the adjectives in the ACL with the scores on the NEO-FFI were all consistent with previous results obtained from adults. The findings largely support the notion that the five-factor model as derived from data from adults is applicable to academically talented youth.     

Folk Concepts, Natural Language, and Psychological Constructs: The California Psychological Inventory and the Five-Factor Model

ABSTRACT Both the California Psychological Inventory (CPI; Gough, 1987) and the five-factor model of personality have roots in folk concepts of personality. The present article offers a conceptual analysis of CPI scales in terms of the five-factor model. In the first study, judges rated the item content of CPI scales in terms of the five factors. In the second, CPI scales were correlated with the factors as measured by the NEO Personality Inventory (NEO-PI; Costa & McCrae, 1985b) in a sample of 348 men and women ages 19 to 92. Both studies showed meaningful links between CPI scales and four of the factors; Agreeableness appeared to be underrepresented in CPI scales. The utility of systematic rational item analysis in terms of the five factors and the evolving relation of folk concepts to psychological constructs are discussed.     

Assessing the Five-Factor Model of Personality Description

Several approaches to assessing the dimensions of the five-factor model are reviewed and evaluated. The items in the assessment instrument may be adjectives or phrases, and the instrument itself may have been developed specifically to measure the five factors or may have been reinterpreted in terms of the five-factor model. Data are presented comparing an adjective-based measure of the model (Goldberg, 1990) with two phrase-based measures (Costa & McCrae, 1985; Hogan, 1986), and recommendations are made for the choice of an instrument in different research contexts. Allport's (1937) distinctions between the structure of the trait lexicon and the structure of personality in individuals are reiterated.     

Exploratory factor analysis of the Human Behavior Rating Scale: a rural population

The construct validity of Eaves' Human Behavior Rating Scale (HBRS) was investigated. The HBRS is a scale with 91 Likert-type items designed to measure five factors: arousal (persistence and curiosity), affect (externalizing and internalizing), and cognition. Forty-four teachers of Grades 6, 7, and 8 from two low socioeconomic and rural southern counties completed the HBRS for 320 of their students. Three parcels were submitted for analysis for each of the five dimensions. A five-factor, then a two-factor, solution were analyzed using exploratory factor analysis. A principal-axis factor analysis was employed and an oblique promax rotation was applied. The results supported the five-factor solution with 90.2% of the total variance accounted for when compared to the two-factor solution which recovered 73.4% of the total variance. Intercorrelations between factors ranged from .15 to .76 for the five-factor solution.     

Agreement among adolescents, parents, and teachers on adolescent personality

Agreement between adolescents, mothers, fathers, and teachers on adolescents' personality traits was investigated in a longitudinal study. The targets for personality ratings were the adolescents who participated in the European Youth Heart Study in Estonia. There were 593 participants in the first wave and 480 participants in the follow-up study 3 years later. Adolescents' self-reports as well as father, mother, and teacher ratings were collected using questionnaires to measure the five-factor model of personality. In both waves, inter-rater agreement was highest between mothers and fathers, was low to moderate for parent-self ratings, and was lowest for ratings between self and teacher, mother and teacher, and father and teacher. Test-retest correlations were moderate for parent and self-ratings but failed to reach statistical significance for three of the five teacher-rated traits, suggesting lower reliability of teacher ratings. Possible explanations for the low agreement between teachers and other judges are discussed.     

The Witness Credibility Scale: An outcome measure for expert witness research

The judge or jury makes a subjective determination of when an expert is credible. However, no published measure exists for assessment of the credibility of expert witnesses. The current study addressed this gap by developing and cross‐validating the Witness Credibility Scale (WCS). Drawing on the narrative literature, we hypothesized that credibility was a product of four factors: “likeability,” “believability,” “trustworthiness,” and “intelligence.” A 41‐item measure was initially constructed based on successive iterations of ratings by a panel of judges using items from the Osgood Semantic Differential measure and was subsequently administered to 264 undergraduates. A factor analysis of the data yielded a factor structure that consisted of four factors labeled, “knowledge,” “likeability,” “trustworthiness,” and “confidence.” The final version of the WCS used 20 adjectives with four subscales of five items, each subscale reflecting high loadings on the respective factors. The scale was then tested in five additional studies, in which the scale successfully differentiated between groups of videotaped experts testifying in manipulated conditions. The empirical data from these studies permit a foundation for comparing outcome data in future research investigations. Copyright © 2010 John Wiley & Sons, Ltd.     

Reinterpreting the Myers-Briggs Type Indicator From the Perspective of the Five-Factor Model of Personality

The Myers-Briggs Type Indicator (MBTI; Myers & McCaulley, 1985) was evaluated from the perspectives of Jung's theory of psychological types and the five-factor model of personality as measured by self-reports and peer ratings on the NEO Personality Inventory (NEO-PI; Costa & McCrae, 1985b). Data were provided by 267 men and 201 women ages 19 to 93. Consistent with earlier research and evaluations, there was no support for the view that the MBTI measures truly dichotomous preferences or qualitatively distinct types; instead, the instrument measures four relatively independent dimensions. The interpretation of the Judging-Perceiving index was also called into question. The data suggest that Jung's theory is either incorrect or inadequately operationalized by the MBTI and cannot provide a sound basis for interpreting it. However, correlational analyses showed that the four MBTI indices did measure aspects of four of the five major dimensions of normal personality. The five-factor model provides an alternative basis for interpreting MBTI findings within a broader, more commonly shared conceptual framework.     

Sensation seeking and food preferences

The relationships between sensation seeking and preferences for various foods were studied. A Japanese version of the Sensation Seeking Scale (SSS) and food preference questionnaire were administered to a total of 105 students (66 males and 39 females). Preference ratings of 70 foods were factor analyzed and 7 factors concerning food preference patterns were extracted. Preference ratings for food items with high loadings on these 7 factors were correlated with subjects' scores on SSS. Significant and positive correlations were found between total scores of SSS and the preference ratings for spicy foods (loading on factor 1), meats (loading on factor 4), and alcoholic beverages (loading on factor 6). Among subscales of SSS, following subscores correlated significantly and positively with preference for several food groups: (1) ES, TAS and spicy foods. (2) TAS and meats, ES and a few items of meats. (3) TAS, BS and alcoholic beverages. But, Dis scale did not correlate with any food groups. Common features and differences between the results of present research and previous ones connected in the U.S.A. were discussed.     

Person perception through facial photographs: Effects of glasses,hair, and beard on judgments of occupation and personal qualities

Thirty-two photographs of male faces, four for each combination of the presence and absence of glasses, hair, and beard, were rated by 75 judges on 23 scales, assessing the typicality for 15 occupations as well as eight personal qualities. The effects of facial attributes on ratings formed characteristic profiles for the different scales. The pattern of correlations between facial attributes and factor scores from a factor analysis of the ratings indicates that the judges associated wearing glasses with intellectualism and goodness, being bald with idealism, and wearing a beard with unconventionality and goodness. In two further experiments, judges were to identify each of three faces with one of three or four occupations; the results confirmed the operativeness of the profiles from the rating experiment.     

The factor structure of ADHD items in DSM-III-R: Internal consistency and external validation

Previous research employing factor-analytic procedures to study the underlying dimensions of DSM-III attention deficit disorder with hyperactivity (ADDH) symptoms have consistently supported a two-factor model. Revision of the structure of the ADHD diagnosis in DSM-HI-R, as well as inclusion of new items, has raised the question of comparability of the two diagnoses. To explore the significance of these changes, teacher ratings of DSM-III ADDH items and DSM-III-R ADHD items of 85 nonreferred school children were factor-analyzed to determine their underlying factor structures. A similar two-factor solution was obtained for each diagnostic scale. The factors consisted of items believed to reflect inattention and hyperactivity-impulsivity constructs. These factors were further evaluated against results of a cognitive test battery to ascertain whether objective, external validation could be demonstrated. The hyperactivity-impulsivity factor scores were related to continuous performance test measures of response inhibition, while inattention-disorganization factor scores were related to measures of attention and visual search. Implications for assessment and diagnosis of ADHD are discussed.The authors gratefully acknowledge the assistance of Sister Hildegarde Koger, the St. Francis de Sales School, and the parents and children who participated in this study.     

Validation of the Adolescent Concerns Measure (ACM): evidence from exploratory and confirmatory factor analysis

This article reports the development and initial validation of scores obtained from the Adolescent Concerns Measure (ACM), a scale which assesses concerns of Asian adolescent students. In Study 1, findings from exploratory factor analysis using 619 adolescents suggested a 24-item scale with four correlated factors--Family Concerns (9 items), Peer Concerns (5 items), Personal Concerns (6 items), and School Concerns (4 items). Initial estimates of convergent validity for ACM scores were also reported. The four-factor structure of ACM scores derived from Study 1 was confirmed via confirmatory factor analysis in Study 2 using a two-fold cross-validation procedure with a separate sample of 811 adolescents. Support was found for both the multidimensional and hierarchical models of adolescent concerns using the ACM. Internal consistency and test-retest reliability estimates were adequate for research purposes. ACM scores show promise as a reliable and potentially valid measure of Asian adolescents' concerns.     

Research validity scales for the NEO-PI-R: development and initial validation

The purpose of this investigation was to develop a set of research validity scales for use with the NEO Personality Inventory-Revised (NEO-PI-R; Costa & McCrae, 1992b). In study 1 we used the existing NEO-PI-R item pool to select items for three validity scales: positive presentation management, negative presentation management, and inconsistency. Several iterative item and scale analyses were conducted, using multiple criteria for item selection. These analyses resulted in 10-item scales. In Study 2, the internal consistency, interscale relationships, and normative characteristics were examined in a separate sample of working adults. In Study 3, the validity of the scales was examined by contrasting five sets of NEO-PI-R protocols: from a separate sample of working adults, from a sample of 100 NEO-PI-R protocols with randomly produced responses, and from three samples of undergraduates completing the NEO-PI-R under different instructional sets. Analyses revealed that both the research validity scales and the NEO-PI-R domain scales were sensitive to group differences. issues relating to the appropriate use of the scales are discussed.     

Sex differences in spatial ability and spatial activities

Explanations of sex-related differences in spatial ability emphasizing the role of sex-differentiated experience have not been supported by direct measurement of spatial activities during adolescence, the period when these differences seem to increase. The present research involved development of a scale to measure the spatial experience of adolescents and adults. In Study 1, a list, as complete as possible of adolescent activities was compiled and given to undergraduate judges for ratings of involvement of spatial skills and sex-typing. Judges also indicated whether they had participated in each activity. Activities considered spatial by 75% or more of the judges were used to develop a spatial experience questionnaire. Judgments of the spatial nature of tasks were positively correlated with judged masculinity and with greater male than female participation. In Study 2, participation in spatial activities by undergraduates was correlated with spatial ability as measured by the Differential Aptitude Test. The activity questionnaire should prove useful in studying the development of spatial ability in adolescents and adults.     

Contributions to Global Self-Esteem: The Role of Importance Attached to Self-Concepts Associated with the Five-Factor Model

Previous research has attempted to clarify the relations that one's self-concepts have with one's global self-esteem. One hypothesis that has received the most attention to date is the view that characteristic attributes that an individual regards as especially important for his or her self-concepts exert the greatest influence on self-esteem. In an investigation of this hypothesis, 375 college undergraduates completed measures of global self-esteem as well as rating scales that assessed self-concepts and the importance attached to these self-concepts in the maintenance of self-esteem. The self-concept and importance domains examined corresponded to the five-factor model (FFM) personality dimensions. Consistent with previous research, importance ratings attached to self-concepts were not found to moderate the relation between self-concepts and self-esteem. Rather, ratings on self-concepts alone accounted for a substantial proportion of variance (53.3%) in self-esteem scores. Bivariate correlations based on FFM dimension scores and self-esteem scores revealed consistent positive associations. Hierarchical regression analyses indicated that among the FFM dimensions, self-concept ratings for emotional stability (vs neuroticism), extraversion, and agreeableness significantly predicted self-esteem.     

Predicting preschool screening referral rates from district demographic data

The ability of social, economic, and educational variables to predict screening referral rates among 398 school districts in a statewide preschool screening program was examined. First, salient demographic and educational variables were identified and reduced to five global factors by principal (common) factor analysis. Then, five factor scores and one additional variable (percentage of handicapped students) for each school district were evaluated as predictors of two screening outcomes. In Study 1 the screening outcome was membership in groups of screening programs with the lowest versus highest referral rates. In Study 2 the screening outcome was referral rates among the screening programs. The results from both studies indicated that screening referral rates were not related to broad social, economic, and educational factors in any simple way. Alternative explanations are discussed, as well as implications for research on factors that may influence the screening of preschoolers.