Discrepancy Model vs. PSW

36 Learners | 36 Completed Lessons | 12 Hours of Learning Time

Learning Activity

The discrepancy model is a way to capture and compare a student’s scores on different types of tests. It compares assessments of a child’s intellectual ability ( IQ) with how much progress they're making in school (their academic achievement). (Understood.org, 2024)

The Patterns of Strengths and Weaknesses model seeks to determine why a student is performing poorly. Under PSW models, school psychologists look beyond a student’s overall IQ score and more specifically at the various cognitive processes that contribute to IQ.  

Read the articles below and then write 3-4 sentences on your thoughts on the discrepancy model vs PSW including the benefits or drawbacks of both and which you prefer and why. 


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