In an experiment designed to study the effects of homework assignments on grades in school, the grades are the

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The dependent variable is the variable that is being measured or observed and is expected to change in response to the independent variable. In this case, the homework assignments are the independent variable and the grades are the dependent variable, as they are expected to change as a result of the homework assignments. The control variable is a variable that is kept constant to prevent it from influencing the dependent variable, and cohort variable refers to a group of people who share a common characteristic. Concrete variable is not a commonly used term in scientific research.

In an Experiment Designed to Study the Effects of Homework