_____ is an approach to demonstrating the validity of a selection battery.

Although they differ in other ways, all personality theories give equal emphasis to individual differences and intrapersonal functioning

Indicate whether the statement is true or false

People who smoke are also more likely to drink excessively, and people who overeat usually do not get enough exercise. These observations illustrate that

a. many people have a disease-prone personality. b. genetics plays a strong role in one's addictions. c. unhealthy lifestyles almost always create multiple risks. d. the causes of poor health are coincidental and unpredictable.