According to __________ theory, infants actively search for invariant features of the environment in a constantly changing perceptual world

One of the main advantages of modern brain imaging techniques is that they may

a. illuminate the relationship between brain activity and mental problems. b. reduce the cost of clinical assessments. c. be used to validate the diagnostic information derived from projective techniques. d. eliminate the need for costly interview techniques in the diagnostic process.

Which of the following has not been suggested as being related to the signs of pubertal development occurring earlier in girls in the U.S. in recent years?

a. obesity b. exposure to environmental contaminants c. exposure to sexually explicit content on television d. an increase in sexual activity