______________ occurs when a group of female mice are grouped together and exposed to male pheromones that cause them all to go into heat about the same time

The day after he discovered his parents were divorcing, Benji was upset by the news from home and picked a fight at school. Bronfenbrenner would describe this relationship between home and school environments as being part of the

a. exosystem. c. macrosystem. b. microsystem. d. mesosystem.

Which of the following statements would be least true?

A) It is harder to recruit large numbers of infants from the general community than within hospital or pediatric settings. B) It is easier to locate and recruit hard-to-find populations, such as preterm infants, in hospital settings than the general community. C) Because we can recruit large numbers of infants in hospital settings, it is likely that our participants will be more representative of the community than community volunteers. D) The external validity of hospital-based research could be higher; for example, infants and parents may act more naturally in hospital settings because they want to please the physicians.