When describing her last prenatal visit, Yang says, "They basically inserted a tube into my uterus via my vagina and took a tissue sample from the sack surrounding my fetus.". Given this description, Yang appears to have undergone

One problem faced by Rogoff and colleagues in their cross-cultural studies of children's

memory was that a. children in some cultures are smarter than children in other cultures. b. the memory tests they used had to be specific to a culture. c. some of the cohorts had lived through different time periods and so had very different cultural experiences. d. the experiences of children living in one culture may be different from those in other cultures. e. some children liked to memorize and other didn't.

The majority of research on media and violence has studied

a. infants. b. adolescents. c. preadolescent children. d. emerging adults.