A motivational psychologist wonders if rankings of food advertisements will be i

Question

A motivational psychologist wonders if rankings of food advertisements will be influenced by hunger levels. College students who have not eaten for either 6 or 12 hours are shown ten print ads and are asked to place them in a pile so that the "best ad" (however they define it) is on top, the next best is next, and so on.

1. For the independent variable, evaluate whether it is (a) a between- or a within-subjects variable, and (b) a manipulated or a subject variable.

2. For the dependent variable(s), identify the measurement scale.

3. Finally, identify the experimental design for the study.

Explanation / Answer

1. The independent variable is a between-subjects and a manipulated variable.

2. The dependent variable is measured on the ordinal scale because the participants are asked to rank the advertisements.

3. This study is an example of a between-subjects design.

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