Normal Curve Equivalent (NCE)
NCE scores are specifically intended for program evaluation. NCEs are represented on a scale of 1 - 99. This scale coincides with a percentile rank scale at 1, 50, and 99. Unlike percentile rank scores, the interval between scores is equal. This means that you can average NCE scores to compare groups of students or schools. Normal curve equivalents are also useful for comparisons between different tests.
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