Researchers were interested in examining whether writing or drawing about past emotional experiences would relieve anxiety. female college students either wrote about emotional topicsfor an hour, wrote about non-emotional topics for an hour, or drew pictures about emotional topics for thirty minutes. anxiety and stress were measured using standard questionnaire.
1. what is the indepedent variable?
2. what is the dependent variable?
3.what is the confound?
4.how could the confound be fixed?
5.how many levels are there for the independent variable?

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