Thread: WASC IV IQ scaled scores vs composite scores

1. WASC IV IQ scaled scores vs composite scores

Dear forumites,

My first post here. I am trying to understand the difference between a Scaled Score and a Composite Score on an IQ test. For instance, What is the difference between a Scaled Full Scale IQ score of 61 and a Composite Full Scale IQ score of 74? What is the main reason that a conversion from a Scaled Score to the Composite Score is necessary?

Thank you in advance for any responses.

2. Re: WASC IV IQ scaled scores vs composite scores

My brain is fried tonight. You might want to post in the sp. ed 101 forum. I did find an interesting web site about the test.

http://www.help4specialeducation.com/page10/page10.html

http://www.education.com/terms/gloss...omposite+score

​I'll post again when I can think straight. Just wanted to welcome you.

3. Re: WASC IV IQ scaled scores vs composite scores

Eddar,
here you go -

Standard Score (SS)
Educational and psychological total test results are re-expressed in Standard Scores, where the mean (i.e., average) is set to be 100. In general, the examiner determines the total correct responses (with or without a correction for guessing) to obtain a "raw score." The raw score is then converted to the Standard Score using charts and tables that are provided with each test.

Scaled Score
Scaled Scores have a mean (or average) score of 10 with a Standard Deviation of 3. Thus, a Scaled Score of 13is ABOVE the AVERAGE. On the WISC-III, Scaled Scores on the sub-tests are used to make up the total or Composite Score – on the WISC-III, this is called the Full Scale IQ Score.

Hope this helps.

​Sharon

wasc-iv

iq scaled scores versus composite scores

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