When Quang couldn't find his wallet, he began to wonder about his roommate's honesty. Although Quang later recalled that he had left his wallet in the glove compartment of his own car, he continued to doubt his roommate's honesty. Quang's irrational thinking best illustrates:

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