The extra capacity of the heart or kidneys to respond to higher than normal or stressful physiological demands is called ______

Ralph is anxious, tense, and worried constantly. He is extremely insecure and has difficulty

concentrating. He has tremendous self-doubts and is obsessive in his thinking and behavior. He is most likely to score high on the ______ scale of the MMPI. a. depression c. hysteria b. psychasthenia d. hypomania

If the results of a study can be attributed to either the operation of an independent variable or an

extraneous variable, the study is A) confounded B) controlled C) extraneous D) unconfirmed