In the __________ approach to therapy, the therapist uses any method he or she believes will work best for a client at a particular point in time.

Research on sleep patterns indicates that:

a. the elderly and newborns have very similar sleep patterns. b. different sleep patterns reflect significant personality differences. c. the duration and pattern of sleep among fraternal twins is strikingly similar. d. everyone needs a minimum of 6 1/2 hours of sleep per night to function well. e. sleep patterns may be genetically influenced.

Which of the following is a common feature of infant social life in most cultures throughout history?

a. Infants spend a lot of their day in the company of their fathers. b. Infants are cared for exclusively by the mothers until they become old enough to walk. c. Infants are often kept away from older adults so that they will be less vulnerable to the spread of disease. d. Infants are surrounded by others and carried or held almost constantly.