Suppose That a Philosophy Professor Is Able to Monitor the Amount

question 24

Multiple Choice

Suppose that a philosophy professor is able to monitor the amount of time her logic students spend working on a computerized tutorial program. When the students spend 5 hours on the program, their average grade increases by 4 percentage points. When they spend 10 hours on the program, their average grade increases by an additional 4 percentage points, and when they spend 15 hours working on the program, their grades increase by yet an additional 4 percentage points. The professor concludes that work on the tutorial program causes an increase in student grades. What method did the professor use in drawing this conclusion?

• A) The method of difference.
• B) The method of agreement.
• C) The method of concomitant variation.
• D) The method of residues.
• E) The joint method of agreement and difference.

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Definitions:

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