A process known as __________ is used to determine which traits are basic to human nature

Dr. Meyers is a behavioral geneticist. She is investigating whether school achievement has a genetic component. Which of the following scenarios would indicate to her that there is a large genetic component?

a. Dizygotic twins show greater similarities in school achievement than siblings born 2 years apart. b. Adopted children show great similarities in school achievement to their adopted parents than their biological parents. c. Monozygotic twins show greater similarities in school achievement than dizygotic twins. d. Siblings born 2 years apart show greater similarities in school achievement than dizygotic twins.

According to the bystander effect (Latané & Darley, 1970), if you just witnessed a mugging, you will be most likely to call for help if you

a. are the sole witness. b. are one of seven witnesses. c. are in a good mood prior to the mugging. d. perceive yourself as similar to the victim.