If a research study reveals a positive correlational relatio…

If a research study reveals a positive correlational relationship between aggressive behavior in children from low socioeconomic homes and levels of exposure to aggressive television, socioeconomic status may be an important factor in explaining both levels of aggressive behavior and amount of time spent watching aggressive television. In this example, socioeconomic status is the __________.

Dr. Who conducts research to compare the relationship betwee…

Dr. Who conducts research to compare the relationship between the use of instant messaging and academic performance. His results reveal that the more time adolescent students spend using instant messaging on their computers, the lower their academic performance. Dr. Who’s findings suggest __________.