![]() 2Department of Psychology, Technical University of Dortmund, Dortmund, Germany.1Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors, Technical University of Dortmund, Dortmund, Germany.Gajewski 1* Eva Hanisch 2 Michael Falkenstein 3 Sven Thönes 1 Edmund Wascher 1 The differences include different picture items in the visual subtests as well as changes for regional spelling differences.Patrick D. ![]() There are some minor differences between the WIAT in the US compared to the UK. you’re not statistically inclined, that’s quite high. If you’re not statistically inclined, using Cronbach’s aIpha as a guide tells us that these results range from good to excellent in terms of reliability. In terms of reliability, internal testing consistency falls between 0.8 and 0.98. Test scores can range from 40 to 160, though in the standardization sample performed in the United Kingdom, 95% of participants scored between 70 and 130. So, if “good” is defined by above average, a score over 115 could be safely assumed to be above average. So, what is a good score on the Wechsler Intelligence Achievement Test? The average score, like the other Wechsler tests, is 100, with a standard deviation of 15. Like many other tests, participants tend to ask questions about scoring before they take the test.
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