Research Findings That Indicate Differences Between Older and Younger Adults

Multiple Choice

Research findings that indicate differences between older and younger adults with issues such as memory, attentional capacity, and processing speed must be interpreted carefully. Why?

A) Memory tests are biased against younger adults.
B) A test that measures memory in a younger adult will not be valid for testing an older adult.
C) Age differences are sensitive to the conditions under which they are measured.
D) Any differences observed between the two groups are due to declining vision and hearing in older adults, not due to decreases in memory or attention per se.