A person's hand is __________ relative to his or her elbow

Tricia is a graduate student who is interested in eating disorders. She overcame her anorexia nervosa at age 21. No one else in her family seems to have any issues with food. She was surprised to learn that several studies on eating disorders show that:

a. anorexia runs in families, but bulimia does not b. these disorders have no genetic basis c. these disorders clearly run in families d. relatives of test subjects do not have a higher risk for developing these disorders

Hypothetico-deductive reasoning, which develops in Piaget's stage of formal operations, shares the same set of logical skills as

A) intuitive reasoning. B) formal scientific reasoning. C) reasoning based on mental imagery, but not verbal concepts. D) sensorimotor reasoning.