271. According to the Nun Study, what factor BEST predicted a nun’s cognitive functioning in old age?  272. List the four theories of cognitive aging. 273. What is the name of Paul Baltes’ model in which he described how people adjust to the opportunities and limitations they face throughout life? 274. What is the ability to understand and solve ambiguous problems and make good judgments and decisions in everyday contexts? 275. Bob is 56 years old and is having minor lapses in memory, such as misplacing his glasses or forgetting to return a library book. He also is having more difficulty in attending to several things at once, needs more repetition to learn new names, and occasionally has word-finding problems. His prospective memory, such as remembering to pick up his mail after work, is not what it used to be. What do these changes indicate? 276. What is the paradox of aging? 277. Which theory developed by Laura Carstensen states that people respond to approaching endings by shifting to emotionally meaningful goals? 278. On what does the successful resolution of Erikson’s stage of integrity versus despair depend?  279. List the three components of successful aging.