During a study to measure the effects of violent video games on aggressive behavior,the researchers learned that a portion of the subjects lived in homes with one or more alcoholic parents.In this study,the presence of an alcoholic parent is a(n)
A) confounding variable.
B) dependent variable.
C) independent variable.
D) unrecognized variable.

Question

Quizplus · Accepted Answer

A confounding variable is an extraneous variable that is not recognized until the study is in process or is recognized before beginning the study,but cannot be controlled.The dependent variable is the outcome that the researcher wishes to predict or explain.The independent variable is manipulated by the researcher and is presumed to cause changes in the dependent variable.An unrecognized variable is a type of extraneous variable that is not noted during the study,but may or may not influence the outcome.

During a Study to Measure the Effects of Violent Video