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Bobby Nabeyama -> RE: peabody % of delay (August 31, 2008 8:51:25 PM)
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Just subtract developmental age from chronogical age. Use the sum to divide the chronogical age into. Finally, multiply by 100. Voila! You can use this for one, two or three of the components. Although, keep in mind the lack of clinical and statistical validity of a percent delay since it is derived from age equivalences. I do understand that percent delay is easier for people to understand. We just have to be careful on what it really means and doesn't mean.
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