It seems like whenever you visit your grandparents, they are watching television. Is this unusual? What percent of older adult Americans' leisure time is spent watching television?

The trichromatic and opponent process theories of color vision are not in conflict because each corresponds to ______

a. a different portion of the spectrum b. the opposite half of perceivable colors c. one of the types of color blindness d. a different stage of visual processing

In the Ebbinghaus's tradition, savings are __________

a. the amount of information saved from forgetting over time b. the reduction in confusion from preexisting knowledge c. a reduction in the number of trials to relearn a set of information d. an increase in the speed with which memories are recalled