A pencil and paper test was devised to assess self-reported amount of time spent in various physical activities. The intent of the test was to distinguish between fit and sedentary individuals. To investigate the validity of this instrument (whether or not it correctly identified individuals as being fit or sedentary) a researcher measured the max VO2 of 8 subjects classified by the written test as fit and another 8 subjects classified by the test as sedentary.

If the researcher believes the pencil and paper test to be valid, what would be her research hypothesis?

please explain....

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