How to Calculate CogAT Composite Scores
The CogAT is a test given to K-12 students to measure their abstract reasoning skills. There are three parts to the CogAT: verbal battery, quantitative battery and nonverbal battery. The results of these three areas are each given a score. The student also receives a composite score that ranks them in a national percentile. The composite score is an average of the student's scores from each battery test. Locate a copy of the CogAT Form 6 Norms Booklet; this guideline provides tables for converting the raw score for each test to a Universal Scale Score (USS), as well as tables for converting the USS score into other CogAt categories.
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Instructions
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Compiling CogAT Composite Scores
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Convert the raw scores into the CogAt Universal Scale Score; the raw score is the number of correct answers a student marks on the test. Three tests are given in the verbal section, and the scores from these three tests comprise the verbal score. Three tests are also given in the quantitative section, and the average of these scores makes up the quantitative score; the nonverbal test is one test consisting of 15 to 25 questions. You will have three new scores.
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Enter each of the three Universal Scale Scores in the tables in the Form 6 Norms Booklet in each category; standard age score (SAS), percentile rank (PR) and stanine (S). You should have nine new scores; however, keep each new score in its category then take an average of that category.
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Compile a total score for all three exams by summing up the Universal Scale Scores for the three battery exams and dividing by three; this gives you the composite score. For example, the equation should be CogAt (V) + CogAt (Q) + CogAT (N)/3 = composite score.
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Tips & Warnings
Consult with your child's teacher about the what the scores indicate and how the scores will affect your child's educational progress in the future.
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