The ____ gland produces epinephrine in response to stress

At Cornell and Vassar, students intervened in emergencies. In both cases, they

a. had learned about the barriers to helping in class. b. had plenty of extrinsic motivation for helping in the form of cash rewards. c. regretted getting involved. d were not willing to help until someone else began helping.

Double-blind studies control for _______

a. neither subjects' nor experimenters' expectations b. subjects' but not experimenters' expectations c. experimenters' but not subjects' expectations d. both subjects' and experimenters' expectations