# Psychology

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Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why?

Correlational study, because he can use his research to establish a relationship between studying and grades

Experimental study, as he is forming a hypothesis and using independent variables

Descriptive study, as he is using a representative sample to measure and record behavior

Evaluative study, as he can establish a correlation between time spent in the library and grade point averages

• Psychology -

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