Part 2. A drug company is advertising a new drug that helps people recover from
ID: 3460892 • Letter: P
Question
Part 2. A drug company is advertising a new drug that helps people recover from jet lag faster. You are skeptical, so you conduct an experiment to test their claim. In your experiment, 100 people are flown from San Francisco to Tokyo. During the flight, half the participants are randomly given the drug company's new drug. The other half of the participants are given a placebo (i.e., sugar pill) during the flight. Six hours after they land, all participants are asked to rate how sleepy and disoriented they feel on a scale from 1 to 10.
What is the independent variable (IV)? What are the levels of the IV?
Explanation / Answer
the independent variable is the one which is manipulated by the experimenter in the study. here the experimenter manipulates the drug by giving it to half of the people and giving its placebo to other half. hence the drug companys new drug is the independent variable. there re two levels of this independent variable which are presence of the drug and absence of the drug.