Amelia, a researcher, conducts a study and finds that teenag…

Amelia, a researcher, conducts a study and finds that teenage boys in the country of Bodonia prefer to date fair-skinned girls and keep their relationships confidential. Michael, Amelia’s colleague, tries to reproduce her study to see if he gets the same result. In this scenario, Michael’s act illustrates

Tamika hypothesizes that women are more helpful than men, an…

Tamika hypothesizes that women are more helpful than men, and she decides to conduct an experiment to test her hypothesis. During lunchtime, she goes to the crowded food court and deliberately drops her folder containing papers. She then notes whether the person standing closest to her helps her pick up her papers and whether the person is male or female. What is the operational definition of “helpful” in Tamika’s study?