SP Toolkit

Graduate students studying together
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Web Resources for School Psychology Graduate Students

Assessment

• Dr. Joel Schneider's Psychometrics from the Ground Up page. This page presents a series of video tutorials on psychometrics. They are very well done; they introduce and refresh. Be sure to view #9 Standard Scores and Why we Need Them.

Institute for Applied Psychometrics. Dr. Kevin McGrew has shared a great deal of information about intelligence testing, Gg-Gc theory, the WJ tests, etc on this web site and in his blogs. Here is an example of his insightful work: Applied Psychometrics 102: Test Score Differences

• Why you shouldn't discuss "learning styles" in an assessment report:  http://www.psychologicalscience.org/journals/pspi/PSPI_9_3.pdf

• Why composite scores are less than, or greater than, an average of the relevant subtest scores:  http://assessingpsyche.wordpress.com/2011/03/29/a-geometric-representation-of-composite-scores/

• Dr. Samuel Ortiz and colleagues: Cross Battery Assessment

• Video Tutorial: Do Large Subtest Score Differences Invalidate Composite Scores. Dr. Joel Schneider discusses whether composite scores should be ignored when the subtests that contribute to the composite differ substantially (Short answer: Not very often). The detailed answer (with fancy rotating 3D images!) is here