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? .
How does standardizing help when comparing two scores? This solution explores this question. The solution is provided in a Word document which is attached.