Class size is an independent variable, while student accomplishment (grades and test scores) is a dependent variable.
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Impact of Class Size on Student Achievement
The quantity of homework is an independent variable, while student achievement (grades, test scores) is a dependent variable.
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Effect of Homework on Student Performance
Screen time is an independent variable, while sleep efficiency and duration are measures of sleep quality.
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Influence of Screen Time on Sleep Quality
Exercise frequency or intensity is an independent variable, whereas mood is a dependent variable.
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Relationship Between Exercise and Mood
Spending on advertising is an independent variable, whereas sales income is a dependent variable.
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Impact of Advertising Spending on Sales
Employee happiness, as determined by surveys, is an independent variable, the turnover rate is a dependent variable.
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Correlation Between Employee Satisfaction and Turnover