One of the most common recommendations by behavioral therapy to reduce low-level depression is _____________

In problem solving, a method that always produces a problem solution (though not necessarily very efficiently) is known as

a. an algorithm. b. a heuristic. c. a matrix. d. the hill-climbing heuristic.

What tends to happen to our patterns of sleep as we move into older adulthood?

a) we sleep more b) our sleep doesn't change c) we sleep less d) we experience less REM sleep