jillio
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so is this test valid? It sounds like the majority of test I have used.
My school psychologist does not use this test. But she did say before gathering data she would give a nonverbal IQ test and achievment test for additional data. Use of just one test does not give all the valid data needed.
I would question the validity, depending upon what the purpose of giving the test is. I agree with the school psychologist. A battery of tests are needed in order to get a complete picture. The nonverbal IQ and the achievement tests are great places to start gathering information on individual students.
I think the testing purpose in this case was a bit biased. Using a test that has a lowered criteria will appear to show greater benefit, and thus garner support for CS based on manipulated results.