About % of undergraduate women have concerns about anorexia or bulimia and % report moderate problems regarding weight control, worries about body image, and lack of control over eating

Demonstrating the reliability of a measure is most important to establishing ____________ validity?

A. Construct B. External C. Statistical D. Internal

The arousal theory of motivation would be most helpful for explaining why:

a. recreational skydivers jump out of airplanes. b. hungry fishermen venture across dangerous ocean waters. c. starving prisoners are preoccupied with thoughts of food. d. sexually active teens learn to practice effective birth control.