When skills are high but challenge is low, Csikszentmihalyi would say that a

A recent study indicates that an ingredient in coffee appears to protect against ___________

a. hypertension b. peptic ulcer c. liver cirrhosis d. osteoporosis

A multiple-baseline across behaviors design consists of ____ baseline phase(s) and ____ treatment phase(s) for each behavior

a. one;one b. one;two c. two;one d. two;two