Recall the following study: Over a 17-year period, researchers studied a sample of 707 individuals from a single community. They recorded the number of hours each individual spent watching television during adolescence and early adulthood. In later years, they recorded the number of aggressive acts by individuals in the study.
Science magazine published the results in 2002 in an article titled "Television viewing and aggressive behavior during adolescence and adulthood."
Which of the following variables could NOT confound the results of this study?
a. gender
b. parental supervision and other aspects of family life
c. poverty and neighborhood conditions
d. the amount of television the adolescents watch

The variable that could not confoun the results of the stuyd is: d. The amount of television the adolescents watch.

Explanation:

A confoud variable is a variable that is not helpful to the study, and it can affect it or ruin it.

The amount of television the adolescents watched can be an important result in order to determine the aggresive behavior. This study's title is about television viewing and agressive behavior during adolescence and adulthood. This is why a variable showing the amount of tv watched by the subjects of study, serves pretty well to the research's target and wouldn't be consider as confound.

d. the amount of television the adolescents watch

Explanation:

In statistical analysis, a confounding variable is an extraneous, outside, or non-included variable or effect that alters the impact of a dependent and independent variable in a statistical model and thereby cause a spurious association. A spurious association occurs when the confounding variables lead to a misleading statistical evidence or result of a relationship between the independent variables.

From the question, the title of the 2002 article is "Television viewing and aggressive behavior during adolescence and adulthood." This implies that the focus of the study is to examine the relationship or association between television viewing, which is the independent variable, and aggressive behavior, which is the dependent variable, during adolescence and adulthood. Any other variable apart from these two variables will be extraneous and will therefore confound the results of this study, that is, it will provide a misleading statistical result.

Since the amount of television the adolescents watch is one of the two variables being considered in the study, it is the only variable that could NOT confound the results of the study.

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