A researcher finds that there is a relationship between the amount of time university students spend at the library and performance on tests. Specifically, the more time spent at the library, the higher students scored on their exams. This relationship represents what type of correlation?

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This is a positive correlation because there is a direct relationship between the variables - as one variable (time spent at the library) increases, the other variable (test scores) also increases.

A Researcher Finds That There Is a Relationship Between the Amount