PLS 200 Lecture Notes - Twin, Assortative Mating
Document Summary
Answer: researchers have discovered that political traits are heritable including ideology and views in political topics such as abortion and gay marriage. Answer: this was discovered using classic twin design studies. Ctd compares monozygotic twins who share 100% of their genes and dizygotic twins who share 50% of their genes. If controlling for the environment(eea), any difference in mz and dz twins shows the impact of genetics on a measurable trait. Equal environment assumption if the environment is held constant , any variation in behavior should be due to genes. Assortative mating: ctd assumes parents aren"t related, if people love cake because of their genes, have children, its not a surprise their kids love cake. Psychologists and geneticists knew that genes were effectible in the 80s. Political scientists figured this out in 2005. A 2008 study finally determined genes play a role in political behavior. People are genetically predisposed to participate politically.
