The period of prenatal development that is the longest is the _____

The inability to take a new perspective on a problem is called a:

a. confirmation bias. b. fixation. c. heuristic. d. framing effect. e. prototype.

Estrela asks, "Why are there so many older people in the United States?" When answering Estrela, a developmentalist should mention that:

a. the life expectancy has risen b. the baby boomers are leaving later life c. fertility rates are rising d. minorities now live just as long as whites