The test was valid because it was a good indicator of muscular strength for the students. The stronger students were typically able to do more than less stronger students. The males on a average were able to do more than the females.
The t est was reliable because many students scores did not fluxuate too much between the tests. The students had little training fot this test so their scores remained around the same. The biggest change was an 8 rep increase and a 12 rep decrease. Many were under 5 in their changes.
I controlled for reliability by making sure the test was set up exactly the same and I did not change my directions or change the students form in anyway from the previous test.
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