A researcher was hired to conduct an evaluation of an educational program designed for jail inmates. The program features individualized, computerized instruction to improve the reading and mathematical performance of below-average students. Jail inmates with low educational levels were randomly assigned to the experimental and control groups. The reading and math ability of the two groups was measured at the beginning and end of the program. What is the independent variable in this study? What is the dependent variable? Is the research hypothesis directional?
What is the independent variable in this study?
The independent variable in this study is the reading and math ability of experimental and control groups.
What is the dependent variable?
The dependent variable in this study is jail inmates.
Is the research hypothesis directional?
Yes, the research hypothesis is directional because the program features individualized, computerized instruction to improve the reading and mathematical performance of below-average students.
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