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Lecture 4

LECTURE 4 C35 (detailed) (recordings)

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University of Toronto Scarborough
Marc A Fournier

Start 2 min To both rese psy and to lay ppl alike it is easy and compel and to see or think in tautological terms the q of whether personality types really exist how many types there are and how reliably we can find these types in a pop has a focus q of inqu and so in today well be concerned with relatively novel research 4 min well be revisi the topic of personality structure but considering an alternative interpretation of meaning of what the structure conveys So the term wven been using as the meaning that weve been using so far today with ref to ther term structure has been whats typically called in resea a VAR center appr To understanding personality structure The VAR center appr Adopts the approach taken thus far where by structure we mean the pattern of relationship covar that occurs among persona attri within a pop The goal is determ what attrib can cooccur with other attri as we look at how ind can differ from one another To identify those clusters of attributes give them names and then see what they create The var is a search for pers traits The goals is determine how many traits there are along which we differ where traits refer to clusters of attributesthe standard approach weve taken to identifying the persona struct has been fac ana S1LA2The variables in q are personality attributes the underlying factors are personality traits A spreadsheeteach row is a subject columns are variables that are measured The goal in analyzing factor analysis is to find those columns that have similar patterns of numbers across subjects The variables or columns that resemble each other get clustered together in FA And they become the factors that we identify as personality traits The goal in the standard FA is to identify which column of s have the most similarity to each other And they get clustered together to form an underlying factor And when the var are personality data the factors are personality traits This approaches what we view as the nomothetic approach to psy science Nomothetic approach meaningidiographic approach means the search for the laws that single individual functionsan alternative approach to psy science generally speaking therefore adopts the person centred approach The PC approach is concerned with understanding the configuration s1b1 The PC approach is an alteration on the standard FA approach They use inverse FA which is similar to FA except that participants in var are transposed So rather than having subj along the rows and var along the columns instead you have the var along the rows and the subj alongthe columns The inverse FA procedure is now identifying not the clusters of variables clusters of subj that go together bc of the patterns of s that show across var the resulting output is not the underlying factors of traits but the clusters of ppl in your sample and by clusterswe mean personality types Types refer to clusters of individuals who share a common configurationprofile across a number of variables The var centred or nomothetic approach is concerned with personality traits The PA is concerned with personality types The longitudinal study by block has the goal to identify how types of ind differ in their experience over the course of their life block decided to measure 2 personality constructs that they derived from the psychoanalytic literature The 2 var are EC and ER EC2a2
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