2 Taxonomy is always a contentious issue because the world does not come to us in neat little packages (S. Personality has been conceptualized from a variety of theoretical perspectives, and at various levels of Each of these levels has made unique contributions to our understanding of individual differences in behavior and experience. However, the number of personality traits, and scales designed to measure them, escalated without an end in sight (Goldberg, 1971). Researchers, as well as practitioners in the field of personality assessment, were faced with a bewildering array of personality scales from which to choose, with little guidance and no overall rationale at hand. What made matters worse was that scales with the same name often measure concepts that are not the same, and scales with different names often measure concepts that are quite similar. Although diversity and scientific pluralism are useful, the systematic accumulation of findings and the communication among researchers became difficult amidst the Babel of concepts and scales. Many personality researchers had hoped that they might devise the structure that would transform the Babel into a community speaking a common language. However, such an integration was not to be achieved by any one researcher or by any one theoretical perspective. As Allport once put it, " each assessor has his own pet units and uses a pet battery of diagnostic devices " (1958, p. 258). What personality psychology needed was a descriptive model, or taxonomy, of its subject matter. One of the central goals of scientific taxonomies is the definition of overarching domains within which large numbers of specific instances can be understood in a simplified way. Thus, in personality psychology, a taxonomy would permit researchers to study specified domains of personality characteristics, rather than examining separately the thousands of particular attributes that make human beings individual and unique. Moreover, a generally accepted taxonomy would greatly facilitate the accumulation and communication of empirical findings by offering a standard vocabulary, or nomenclature. After decades of research, the field is approaching consensus on a general taxonomy of personality traits, the " Big Five " personality dimensions. These dimensions do not represent a particular theoretical perspective but were derived from analyses of the natural-language terms people use to describe themselves 3 and others. Rather than replacing all previous systems, the Big Five taxonomy serves an integrative function because it can represent the various and diverse systems of personality …

The Big Five Trait taxonomy: History, measurement, and theoretical perspectives.

The five-factor model of personality is a hierarchical organization of personality traits in terms of five basic dimensions: Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience. Research using both natural language adjectives and theoretically based personality questionnaires supports the comprehensiveness of the model and its applicability across observers and cultures. This article summarizes the history of the model and its supporting evidence; discusses conceptions of the nature of the factors; and outlines an agenda for theorizing about the origins and operation of the factors. We argue that the model should prove useful both for individual assessment and for the elucidation of a number of topics of interest to personality psychologists.

/pdf/an-introduction-to-the-five-factor-model-and-its-1hd8x7eums.pdf

An introduction to the five-factor model and its applications.

Since the first version of this chapter (John, 1990) was completed in the late 1980s, the field of personality trait research has changed dramatically. At that time, the Big Five personality dimensions, now seemingly ubiquitous, were hardly known. Researchers, as well as practitioners in the field of personality assessment, were faced with a bewildering array of personality scales from which to choose, with little guidance and no organizing theory or framework at hand. What made matters worse was that scales with the same name might measure concepts that were quite different, and scales with different names might measure concepts that were quite similar. Although diversity and scientific pluralism can be useful, systematic accumulation of findings and communication among researchers had become almost impossible amidst the cacophony of competing concepts and scales. At the University of California, Berkeley, for example, researchers studied personality with as few as two, and as many as 20 concepts, including the two dimensions of egoresilience and egocontrol that Block and Block (1980) measured with their California Q-sort; the four scales on the Myers– Briggs Type Indicator (MBTI; Myers & McCaulley, 1985) that measure extraversion, feeling, judging, and intuition; and the 20 scales on the California Psychological Inventory (CPI; Gough, 1987) measuring folk concepts such as capacity for status, selfcontrol, wellbeing, tolerance, and achievement via independence (see Table 4.1). At the time, many personality researchers were hoping to be the one who would discover the right structure that all others would then adopt, thus transforming the fragmented field into a community speaking a common language. However, we now know that such an integration was not to be achieved by any one researcher or by any one theoretical perspective. As Allport once put it, “each assessor has his own pet units and uses a pet battery of diagnostic devices” (1958, p. 258). What personality psychology lacked was a descriptive model, or taxonomy, of its subject matter. One of the central goals of scientific taxonomies is the definition of overarching domains within which large numbers of specific instances can be understood in a simplified way. Thus, in personchAPTeR 4

Paradigm shift to the integrative Big Five trait taxonomy: History, measurement, and conceptual issues.

The present study used meta-analytic techniques to test whether trait consistency maximizes and stabilizes at a specific period in the life course. From 152 longitudinal studies, 3,217 test-retest correlation coefficients were compiled. Meta-analytic estimates of mean population test-retest correlation coefficients showed that trait consistency increased from .31 in childhood to .54 during the college years, to .64 at age 30, and then reached a plateau around .74 between ages 50 and 70 when time interval was held constant at 6.7 years. Analysis of moderators of consistency showed that the longitudinal time interval had a negative relation to trait consistency and that temperament dimensions were less consistent than adult personality traits.

http://jenni.uchicago.edu/Spencer_Conference/Representative%20Papers/Roberts%20&%20DelVecchio,%202000.pdf

The rank-order consistency of personality traits from childhood to old age: a quantitative review of longitudinal studies.

This book gives an up-to-date overview of methodological and data-analytical issues of cross-cultural studies. Written by leading experts in the field, it presents the most important tools for doing cross-cultural research and outlines design considerations, methods, and analytical techniques that can improve ecological validity and help researchers to avoid pitfalls in cross-cultural psychology. By focusing on the relevant research questions that can be tackled with particular methods, it provides practical guidance on how to translate conceptual questions into decisions on study design and statistical techniques. Featuring examples from cognitive and educational assessment, personality, health, and intercultural communication and management, and illustrating key techniques in feature boxes, this concise and accessible guide is essential reading for researchers, graduate students, and professionals who work with culture-comparative data.

Methods and Data Analysis for Cross-Cultural Research

Mbti Manual: A Guide to the Development and Use of the Myers-briggs Type Indicator

www.petergeyer.com.au peter@petergeyer.com.au The Myers–Briggs Type Indicator is Isabel Briggs Myers’s chosen method for articulating her ideas about C G Jung’s theory of psychological types. Notwithstanding the ultimate publication of her book Gifts Differing and the booklet Introduction to Type, it’s the ‘Indicator’ (as she called it) that contains her core intellectual exertions. MBTI Manuals can also be seen in this context in a particular way, given that the 1962 Manual is her only solo output.

Perception and Judgement Isabel Myers, measuring type, and the MBTI Step III Manual

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Mbti Manual: A Guide to the Development and Use of the Myers-briggs Type Indicator

Perception and Judgement Isabel Myers, measuring type, and the MBTI Step III Manual