A correlational study determined that the higher a male monkey's level of testosterone, the more aggressive it is likely to be. This means that:

In today's version of the Stanford-Binet intelligence test, an individual's IQ is calculated by

a. dividing an individual's mental age by his or her chronological age and then multiplying by 100. b. correlating his or her scores on the various subtests. c. comparing how many questions the individual passed to the average number passed by individuals of the same age. d. multiplying the number of test items passed by 100.

Although cross-sectional studies typically show that mental abilities decline with age, when longitudinal studies are used, these age-related declines typically are seen to be nonexistent or much smaller

Indicate whether the statement is true or false