Walter and Dianne work hard to maintain their vitality and are able to limit their age-related declines in physical, cognitive, and social functioning. Walter and Dianne fit contemporary experts' view of

George Miller suggested that four (plus or minus two) was the "magic number" that characterized people's memory performance on random lists of meaningful, familiar items

a. true b. false

Groupthink is a technique that groups can use to make sound decisions

Indicate whether the statement is true or false.