A researcher conducts an experiment to determine whether a daily 30 min of guide

Question

A researcher conducts an experiment to determine whether a daily 30 min of guided meditation will reduce anxiety among college students. Each day, one group of participants attended a 30 m guided meditation session and a second, control group, was given a tree time. After 8-weeks, the researcher used Anxiety Questionnaire to assess anxiety level of all participants. What is the independent variable in this study? A The anxiety level (i.e., anxiety scores) of all participants (i.e. from both, meditation and free time groups) at the end of the study B The anxiety level (i.e., anxiety scores) of the guided meditation group at the beginning of the study C the type of daily activity (30 min guided meditation session vs free time) D a daily 30 min guided meditation session

Explanation / Answer

Dependent and Independent Variables. An independent variable, sometimes called an experimental or predictor variable, is a variable that is being manipulated in an experiment in order to observe the effect on a dependent variable, sometimes called an outcome variable.

C option

Type of daily activity is the independent variable here.

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