Psych Notes April 30

Psych Notes April 30 - Psych Notes 4/30/07 Twin Studies...

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Twin Studies Identical Twins Fraternal Twins Reared Together Same G Different G Same E Same E Reared Apart Same G Different G Different E Different E G = Genes E = Environment 3 underlying dimensions of personality positive emotionality, negative emotionality and constraint - Positive Emotionality o is the extent to which a person is extroverted, achievement oriented, and a sense of well being - Negative Emotionality o is the extent to which a person is anxious, angry and alienated - Constraint o is the extent to which a person is inhibited, cautious, deferential, conventional Minnesota Twins Minnesota Twin studies Subjects Multidimensional personality questionnaire Positive emotionality Negative emotionality Constraint Proportions of variance we observe in people across these three traits, can be explained by these factors. - heritiability, unique experience, shared family experience unique experiences can have huge effects on people’s personalities. Anything extreme or drastic that has happened to you. Shared family experience is anything that is very common for the individual.
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Psych Notes April 30 - Psych Notes 4/30/07 Twin Studies...

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