36. If the correlation between TV viewing and GPA were significant, then we should: Reject the Ha b. Accept the Ho C . Reject the Ho d. Cannot be determined 37. When it is assumed that information about X variable may be used to predict the Y variable, then the X variable is: a. the independent variable b. the dependent variable c. the control variable d. the criterion variable 38. In a study on the effects of TV violence on viewer aggressiveness, the dependent variable would be the: a . control group . TV violence c. viewer aggressiveness d. expreimental group 39. In a study on whether increasing illumination increases worker productivity, the independent variable would be the: a . illumination levels b . worker productivity levels C . causal relationship d . experimental group 40. Whenever a researcher randomly selects equivalent groups, and then exposes them to different stimulus conditions, and then measures them to see if a significant difference can be observed, the total procedure is an example of : experimental research b. post-facto research c. cross-sectional research d. none of these