According to Piaget, when a child fits new information into schemes that already exist, _____ occurs

Most retired people are:

A) happy if they retired early. B) happy if they have absorbing interests, enough money, and freely made that choice. C) depressed, but only if they have been retired for ten years. D) depressed, no matter when they retired.

In one research study, the relationship between hours of

sleep and the development of a cold when exposed to viruses was studied. The investigators found that those who got _____ hours of sleep were three times as likely to develop a cold as those who got at least _____ hours of sleep. A) 7; 8 B) 6; 9 C) 9; 8 D) 8; 10