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The Causes of Individual Differences.

Lee, James J.

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The Causes of Individual Differences.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Causes of Individual Differences./
作者:	Lee, James J.
面頁冊數:	184 p.
附註:	Source: Dissertation Abstracts International, Volume: 73-04, Section: B, page: 2553.
Contained By:	Dissertation Abstracts International73-04B.
標題:	Personality psychology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3491882
ISBN:	9781267107589

The Causes of Individual Differences.
Lee, James J.

The Causes of Individual Differences. - 184 p.

Source: Dissertation Abstracts International, Volume: 73-04, Section: B, page: 2553.

Thesis (Ph.D.)--Harvard University, 2011.

This item is not available from ProQuest Dissertations & Theses.

The aim of personality psychology is to explain the causes and consequences of variation in behavioral traits. The three papers collected in this dissertation attack this problem using a variety of empirical and theoretical approaches. (1) The first paper presents the results of a genome-wide association study of over 100 human phenotypes in a sample of 401 participants. The study failed to find any genetic variants significantly associated with the personality traits. Research on twins and other kinships have shown that these traits are highly heritable, and thus the study supports the view that their heritabilities are attributable to many loci of small effect. Drawing on Fisher's geometric model of adaptation, I offer the hypothesis that the different evolutionary trajectories of the traits examined in the study account for their disparate genetic architectures. (2) The second paper reports several studies focusing on the personality trait of general intelligence and its negative correlation with reaction time in elementary laboratory tasks. The studies found that the correlation is attributable to the time taken by a serial decision-making stage; the parallel perceptual and motor stages surrounding this serial stage do not contribute to the correlation. If this association between intelligence and speed of serial processing reflects a causal relationship, then it paves the way for a mechanistic understanding of ability variation at the neural and cognitive levels. (3) Personality research has long been dogged by controversies over the extent to which causal inferences can be drawn from observational data. In recent years the computer scientist Judea Pearl has used a graphical approach to extend the innovations in causal inference developed by the population geneticists Ronald Fisher and Sewall Wright. Besides shedding much light on the philosophical notion of causality itself, this graphical theory now contains many powerful concepts of relevance to the controversies just mentioned. The third paper applies Pearl's theory to areas of personality research where questions of causation arise. In one part of the paper, I reanalyze a dataset bearing on the question of whether intelligence is cause of social liberalism.

ISBN: 9781267107589Subjects--Topical Terms:

2144789
Personality psychology.

The Causes of Individual Differences.
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