Simple rules for making complex decisions or drawing inferences are known as ________

A scientist interested in phenomena such as the natural variation in heart rate and hormones over the course of a day would be interested in

a) astrology. b) phrenology. c) biorhythms. d) chronobiology.

Which of the following is NOT a characteristic of anorexia nervosa?

a. Refusal to maintain normal weight c. Disturbed body image b. Healthy amounts of exercise d. Intense fear of gaining weight