The personal satisfaction people feel when they have done a job well is a(n) reward.
a. cognitive
b. extrinsic
c. physiological
d. intrinsic

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases