PSYC-2300 Lecture Notes - Lecture 8: Extraversion And Introversion, Sociosexual Orientation, Factor Analysis
12 Feb 2019
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Advantage: good starting point for identifying important di erences (but sould not be only approach, very valuable to as a nite pool of terms to sample from for statistical approaches to traits. Limitations: many traits are ambiguous, metaphorical, obscure, or di cult, personality is conveyed through many di erent parts of speech, assessment via single works (adjectives) lacks context. Starts with a large pool of trait descriptors. Factor analysis of the correlations among large numbers of traits. Theory determines which individual di erence are important to try to measure and study. Evolutionary theory -> mating strategies (soi = short-term vs long-term strategies) (+) value of the theory approach depends on the strengths of that theory. (-) weakness of the theory approach follows from weakness of that theory iii taxonomies fo personality. 1) rise of trait measurement: rise of factor analysis. Guilford (1936: extraversion questionnaire, factor analyze item correlations, look for new factors, expand questionnaire, factor analyze item correlations.
