Example of Multiple Regression: Income, Health, and Happiness
If a researcher investigates how income and health relate to happiness, they face a confound because income and health are correlated. By using a multiple regression analysis that includes both as predictor variables, the researcher can statistically control for one while examining the other. This determines whether the part of income unrelated to health predicts happiness, and whether the part of health unrelated to income predicts happiness.
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Research Methods in Psychology - 4th American Edition @ KPU
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Example of Multiple Regression: Income, Health, and Happiness
What is considered the primary advantage of using multiple regression in research?
A researcher studying exam performance includes both weekly study hours and test anxiety as predictors in a single regression model. One advantage of this approach is that the researcher can determine whether test anxiety predicts exam performance after removing the influence of weekly study hours, thereby isolating the unique contribution of test anxiety.
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Multiple Regression Model
Multiple Regression Formula
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Example of Multiple Regression: Income, Health, and Happiness
Which of the following best describes the primary function of a multiple regression analysis?