The structure in the brain that has sometimes been referred to as the stress center because of its important role in emergencies is the

Dr. Cundy, a behavior geneticist, is interested in conducting a twin study to investigate the influence genetics may have on a person's propensity to be married. What problem is Dr. Cundy likely to face?

a) A lack of twins to study b) Very difficult statistical analyses Consider This: Behavior geneticists tend to rely on this type of study to explore behaviors from genes. LO 1.3: Explain sources of stability that influence adult development as per genetic and environment c) Ethical considerations Consider This: Behavior geneticists tend to rely on this type of study to explore behaviors from genes. LO 1.3: Explain sources of stability that influence adult development as per genetic and environment d) Little theoretical guidance Consider This: Behavior geneticists tend to rely on this type of study to explore behaviors from genes. LO 1.3: Explain sources of stability that influence adult development as per genetic and environment

Which of the following statements is supported by research on group differences in IQ?

A) On average, Hispanic children score slightly lower than African-American children on measures of IQ. B) Heredity is largely responsible for individual, ethnic, and SES variations in intelligence. C) Differences in SES do not fully explain the IQ gap between black and white American children. D) Differences in SES are primarily responsible for the IQ gap between black and white American children.