Child Psychology_Hubbard_Date_022610

Child Psychology_Hubbard_Date_022610 - 2. Family studies...

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2. Family studies tells you whether a trait is genetically influenced at all -Cannot tell you how much of that trait is genetically determined (%) a. Twin studies = study in which sets of twins that differ in zygosity (kinship) are compared to determine the heritability of an attribute -Are pairs of identical twins reared together more similar to each other on various attributes than pairs of fraternal twins reared together? b. Adoption studies = study in which adoptees are compared with their biological relatives and their adoptive relatives to estimate the heritability of an attribute or attributes -Are adopted children similar to their biological parents, whose genes they share, or are they similar to their adoptive parents, whose environment they share? c. Calculating the contribution of genes & environment correlation determines how strongly H/NSE/SE is displayed through a trait -identical twins reared together; fraternal twins reared together 1. Genes determine what % of variance is influence by
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This note was uploaded on 08/29/2010 for the course PSYC 325 taught by Professor Juliehubbard during the Spring '10 term at University of Delaware.

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Child Psychology_Hubbard_Date_022610 - 2. Family studies...

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