A high school football coach decides to use the time taken to run up 100 stairs as a test for running endurance. He tests every team member on 3 consecutive days and finds that the times for each person are very much the same on all three trials. His test for endurance appears to have good .

Reliability

Explanation:

Reliability of a test is defined as the higher level of consistency across time which is referred to as test-retest reliability, across items, that is, internal consistency, and across various researchers, that is interrater reliability.

In other words, Reliability is the degree or level in which an examining tool or test produces stable and consistent results.

Hence, in this case, the high school football coach's test for endurance appears to have good reliability due to its consistency over the three trials of test performed.

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