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Mar 30th, 2015
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How does a researcher determine the meaning of a score on a norm-referenced test such as an IQ test? Why are raw scores transformed to standardized scores, such as z-scores, in order to interpret those raw scores? How do these standardized scores help researchers to compare the scores on two different tests with different means and standard deviations? Explain your reasoning.  

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(Top Tutor) iainharlow
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