The Psychologist

Psychology

Quiz 6 :
Conducting a Good Experiment I

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Quiz 6 :
Conducting a Good Experiment I

There is a manipulated independent variable (heart rate feedback) and a dependent variable (attractiveness ratings of slides) and control of extraneous variables.

One independent variable is the feedback. It has two levels: (1) thought they were listening to their heart rates; (2) thought they were listening to meaningless sounds. The other independent variable is speed of the sound. It has two levels: (1) heard heart rate/noise increase in response to five slides; (2) heard heart rate/noise decrease in response to five slides.

Participants in the heart rate condition were under the impression that this was physiological, but because it was bogus feedback, it is more appropriately labeled as environmental.

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