Which of the following personality theorists did NOT emphasize the influence of childhood experiences on adult personality?

An object's reflection of a percentage of light relative to that of all the surrounding objects is always the same. This fact BEST explains ______

a. brightness constancy c. color constancy b. reversible figures d. visual acuity

Biofeedback is

a) a technique used to train people to control otherwise involuntary physical activity. b) generally ineffective in treating essential hypertension. c) useful in focusing attention on the physical problems. d) equivalent to placebo.