Implications of Survivor Principle How Does the Fact That Older

Multiple Choice

Implications of survivor principle How does the fact that older adults are survivors influence research on aging?

A) Researchers must adapt their test instruments to accommodate them.
B) Healthy older adults tend to be the exception rather than the rule.
C) Psychological studies have less validity than studies on biology of aging.
D) The available samples are positively selected on important characteristics.