Clara is in a sad mood. She is asked to recall an event in her past that was relatively neutral—her performance in a junior high history class in which she earned a B—and she remembers the event as being a sadder experience than it probably was. The influence of Clara's current mood on her memory illustrates the memory sin of:

Bart depends on his mother for everything he needs. When he cries, she responds with food or a clean diaper or a cuddle. Erikson would say that Bart's mother is helping him resolve the conflict known as

A) trust versus mistrust. B) the oral stage. C) fear versus comfort. D) the dependent stage.

Most studies of sleep patterns show

a. a consistent ratio of three to one between time awake and time asleep. b. that it is unhealthy for anyone to sleep less than six hours a day. c. that midafternoon sleepiness is a natural part of the wake-sleep cycle. d. that these sleep patterns are innate and unchangeable.