You Are Interested in the Effects of Visual Feedback on How

question 21

Multiple Choice

You are interested in the effects of visual feedback on how people respond when they meet a stranger.Half of your participants see a videotape of their own facial reactions when they meet a stranger; the other half does not see a videotape.You then ask all participants how positively they felt about their encounter with the stranger.The independent variable in your investigation is

• A) the stranger
• B) visual feedback
• C) you as the researcher
• D) none of the above; this is a correlational rather than an experimental study

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Definitions:

Standard Deviation

A measure of the dispersion or variability of a set of data points, indicating how spread out the numbers are.

Sample Mean

The average of all observations or data points in a sample.

Random Sample

A subset of a statistical population in which each member has an equal chance of being chosen for analysis or observation.

University Committee

A group of faculty members and sometimes students who come together to make decisions or manage certain aspects of university governance.