For most people, the space capacity for short-term memory is 12 items, plus or minus two

Maria claims never to have an appetite. She enjoys preparing food for others, but she never partakes in her creations, claiming she has already eaten. She is quite thin but tells her friends she needs to lose "just a few more pounds" Most days she is at the gym working out for two to three hours. She would best be described as suffering from

a. diabetes. b. a low blood-sugar level. c. anorexia nervosa. d. bulimia nervosa. e. All of the above are correct.

Children who are between seven and 11 years of age are in which cognitive stage?

a. preoperational b. post-operational c. concrete operational d. formal operational