The different degrees of sleep and wakefulness through which newborns cycle, ranging from deep sleep to great agitation, are called __________

One drawback of structured observations is that

a. the artificial nature of the setting may distort the behavior of interest. b. they cannot be used to study behaviors that occur naturally only rarely. c. they can only be used to study behaviors that occur in public settings. d. they cannot be performed in a laboratory.

Sedentary parents are more likely to have children who are

a. overactive. b. cognitively delayed. c. sedentary. d. concerned about their health.