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Intellectual Assessment in Atkins Cases and Use of School Diagnoses Frank M. Gresham Louisiana State University Symposium:  Death Penalty Court Decisions and Mental Retardation Classification and Research ,  Presented at the 2009 APA Annual Convention, August 7, 2009, Toronto, Ontario CANADA
Commonwealth of Virginia Virginia’s Definition of Mental Retardation ,[object Object],[object Object],[object Object],[object Object],[object Object],*Tests move on and off this list quite frequently
Ruling: U.S. District Court  Eastern District of Virginia Walker v True ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Interpretive Issues in Intellectual Assessment ,[object Object],[object Object],[object Object],[object Object],[object Object]
Nature of Intelligence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Flynn Effect ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],*Dates reflect when test was normed, not when it was released
Flynn Effect & MMR Diagnoses Kanaya, Scullin, & Ceci (2003) (Based on almost 9,000 referrals to SPED) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],*Not part of the Kanaya et al. (2003) study
Take Away Message on Flynn Effect ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Practice Effects & IQ Test Scores ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Role of Measurement Error ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],State’s expert refers consistently in his report to the “standard error of measure” (sic)
School Diagnoses: Some Atkins Case Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
School Diagnoses (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
School “Diagnoses” ,[object Object],[object Object],[object Object],[object Object]
IQ<75 MacMillan, Gresham, Siperstein, & Bocian (1996) SLD 44% M =68 MR  14% M =63 The labyrinth of IDEA: School decisions for referred students with subaverage general intelligence.  American Journal on Mental Retardation, 101,  161-174.
IQ<70 Kanaya et al. (2003) SLD 48.1% MR 48.5% M =64 M =66
Summary of School “Diagnoses” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What’s the Take Away Message? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Understanding IQ Scores and School Diagnoses in Atkins Cases

  • 1. Intellectual Assessment in Atkins Cases and Use of School Diagnoses Frank M. Gresham Louisiana State University Symposium: Death Penalty Court Decisions and Mental Retardation Classification and Research , Presented at the 2009 APA Annual Convention, August 7, 2009, Toronto, Ontario CANADA
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  • 14. IQ<75 MacMillan, Gresham, Siperstein, & Bocian (1996) SLD 44% M =68 MR 14% M =63 The labyrinth of IDEA: School decisions for referred students with subaverage general intelligence. American Journal on Mental Retardation, 101, 161-174.
  • 15. IQ<70 Kanaya et al. (2003) SLD 48.1% MR 48.5% M =64 M =66
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