Part 2. A drug company is advertising a new drug that helps people recover from

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. Was the IV manipulated between-subjects or within-subjects? How do you know?

Explanation / Answer

the independent variable which is the new drug of the company was manipulated between the subjects. hence it was a matched subject study which is a study whereby a group of sbjects is divided into 2 groups and the independent variable is given differently to bth the groups so as to compare their results. here also the independent variable was manipulated between the subjects as half of the pasengers received the drug while the other half were given its placebo which is the sugar pill

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