PSYCH 2B03 Lecture Notes - Lecture 27: Twin, Phenotype, Extraversion And Introversion
4 Apr 2017
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De raad et al (2014): 3 to 6 factor model. Openness is left out in the open and on its own. Still unclear how many factors we should be looking at. Leaves out a lot of what we know about personality. Still don"t know how our traits shape our cognitions. All theorists make room for the biological elements of personality. Estimate the relative contribution of biological bases to personality. Something about you that is observable about you, or is measurable about you. All of the genes you inherited from your parents. In mz you would expect that the twins would have the same iq if iq is 100% genetically determined. In dz you would expect that the twins would have only 50% of the same iq. They must be uncorrelated for studies to be accurate. Differences between mz and dz twins in environmental similarity. In dz twins the environment is made different on purpose, reducing the environmental factors.
