A teenager can expect to borrow the car if he has his homework and chores completed, while he can expect not to "get the keys" if he has not completed his homework and chores. This illustrates

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 infants is the most likely to refuse to cross the deep side of the visual cliff?

A) Joey, a shy baby, who has just begun crawling B) Monica, a fearless baby, who has just begun crawling C) Ross, a shy baby, with a few weeks of crawling experience D) Phoebe, a fearless baby, with several weeks of crawling experience