PSYC 1010 Lecture : Chpt 10 nature vs nurture, flynn effect
16 Oct 2011
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Will not be tested on personal application on chapter 8but yes to other chpt. Assesses the influence of heredity on intelligence by examining blood relatives and seeing how similar they are on iq scores. Intelligence is influenced by genetics: compare identical and fraternal twins. Fraternal twins are 50%, identical twins are 100% genetically related. Iq scores of identical twins are more correlated than fraternal. Takes one member of identical twin pair correlates to the other identical twin. Same with pair of fraternal: adoption studies. Identity sets limits on iq and the environment determines where you fall within these limits. Limits are referred to reaction range20-25 iq points (reaction range) Performances on intelligence test have steadily been increasing over generations. Proposes that abnormal behavior should be viewed as a disease and should be treated as one. 4 criteria (defining abnormal behavior: statistical frequency. How often it happens, if it"s a score that everyone does, then its not abnormal.
