Intellectual Competence & the Death Penalty

An attempt to provide understandable and up-to-date information regarding intelligence testing, intelligence theories, personal competence, adaptive behavior and intellectual disability (mental retardation) as they relate to death penalty (capital punishment) issues. A particular focus will be on psychological measurement, statistical and psychometric issues.

Tuesday, March 29, 2016

Research Byte: A NIT-picking analysis: Abstractness dependence of subtests correlated to their Flynn effect magnitudes via BrowZine

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A NIT-picking analysis: Abstractness dependence of subtests correlated to their Flynn effect magnitudes Armstrong, Elijah L.; te Nijenhuis,...
Wednesday, March 23, 2016

Ronell Wilson's Atkines ID/MR death penalty decision to be appealed

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Andrew Keshner, New York Law Journal , March 23, 2016 The Eastern District U.S. Attorney's Office will appeal a judge's decision t...
Sunday, March 20, 2016

NY killer off death row as definition of disabled gets tweak

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Some press coverage re Ronell Wilson decision. NY killer off death row as definition of disabled gets tweak From News , a Flipboard magazine...
Wednesday, March 16, 2016

Atkins MR/ID Court Decision: Ronell Wilson v US (NY; 2014) Atkins decision overturned (Wilson v US/NY, 2016)

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Yesterday the prior decision ( Wilson v US/NY, 2014 ) to not excuse Ronell Wilson as per Atkins , was overturned.  The new 2016 decision ...

Atkins ID/MR Court Decisions: Nixon v Florida update--2016 initial brief

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A initial brief was recently filed with the Florida Supreme Court in the Atkins appeal of Nixon ( Nixon v Florida ).  A prior 2009 co...
Tuesday, March 8, 2016

Research Byte: Comparison of norms from three Spanish-language and one English-language WAIS-III tests (select subtests)

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Norm Comparisons of the Spanish-Language and English-Language WAIS-III: Implications for Clinical Assessment and Test Adaptation.   F...
Saturday, March 5, 2016

The Death Penalty and Intellectual Disability

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The Death Penalty and Intellectual Disability This book is the authoritative resource on the application of diagnostic information concernin...
Friday, March 4, 2016

Research Byte: Was Intelligence necessary? via BrowZine

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Thoughtful reflections on the journal Intelligence by its founder, Doug Detterman. Was Intelligence necessary? Detterman, Douglas K. In...

Assessing Adaptive Functioning in Death Penalty Cases after Hall and DSM-5

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http://www.jaapl.org/content/44/1/96.abstract?etoc Journal of the American Academy of Psychiatry and the Law Online Skip to main page conten...
Wednesday, February 17, 2016

More on the Composite Score Extremity Effect: Awesome animations at Joel Schneiders blog

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You must visit Joel Schneider's blog to see his awesome animations that help explain the composite sc...
Tuesday, February 16, 2016

Why full scale IQ scores are often much lower (or higher) than the part scores? Dr. Joel Schneider on the "composite score extremity effect"

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Bingo.  There is finally an excellent, relatively brief, explanation of the phenomena of why full scale IQ scores often diverge markedly fro...
Thursday, February 4, 2016

Research Byte: The relations between CHC cognitive abilities and aspects of social support

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Which aspects of social support are associated with which cognitive abilities for which people? Article   in   The Journals of Geront...
Saturday, January 30, 2016

Death Penalty Symposium at Washington & Lee

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---- Death Penalty Symposium at Washington & Lee // CrimProf Blog The annual Lara D. Gass Symposium at the Wa...

PEBS Neuroethics Roundup (JHU) [feedly]

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---- PEBS Neuroethics Roundup (JHU) // Neuroethics & Law Blog Last Edition's Most Popular Article(s): Cal...
Wednesday, January 27, 2016

Perrin on the insanity defense

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http://lawprofessors.typepad.com/crimprof_blog/2016/01/perlin-on-the-insanity-defense.html
Saturday, January 23, 2016

“Intellectual developmental disorders”: reflections on the international consensus document for redefining “mental retardation-intellectual disability” in ICD-11: Advances in Mental Health and Intellectual Disabilities: Vol 10, No 1

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http://www.emeraldinsight.com/doi/abs/10.1108/AMHID-10-2015-0050
Monday, January 4, 2016

Atkins ID/MR death penalty court decision: Agee v Oregon (2015)

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Cleaning out my folders and I discovered that I failed to post an Atkins decision made in December.  Agee v Oregon (2015) is now avail...
Friday, December 25, 2015

New Wechsler Flynn Effect study by Weiss et al. (2015)

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Click on image to enlarge
Sunday, December 20, 2015

Sharing It's getting bigger all the time: Estimating the Flynn effect from secular brain mass increases in Britain and Germany via BrowZine

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It's getting bigger all the time: Estimating the Flynn effect from secular brain mass increases in Britain and Germany Woodley of Menie...
Wednesday, December 16, 2015

When Phrenology Was Used in Court

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When Phrenology Was Used in Court In the 1830s, phrenology was just beginning to garner the veneer of legitimacy.Image by Slate, illustratio...
Monday, December 14, 2015

RE: J Am Acad Psychiatry Law Table of Contents for December 2015; Vol. 43, No. 4

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Sent from EarthLink Mobile mail On 12/14/15, 8:18 AM, < jaapl-mailer@alerts.highwire.org > wrote:  Home Current Issue Archiv...
Tuesday, December 8, 2015

Flynn effect methodological issues: Special issue of the Journal of Intelligence

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Special Issue "Methodological Advances in Understanding the Flynn Effect Access to this open access journal can be found here. ...
Thursday, November 26, 2015

Article: Why IQ Fluctuates Over Your Lifespan

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Check out this story on Flipboard! Why IQ Fluctuates Over Your Lifespan From The Huffington Post on Flipboard In 1932, the entire populatio...
Thursday, November 12, 2015

Race- or demographically-adjusted IQ norms are inappropriate in Atkins ID death penalty cases: New law review article by Robert Sanger

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Previously, I coauthored an IAP Psychometric Brief (#14) with Dr. Dale Watson on the inappropriate use of "demographically adjus...
Monday, November 9, 2015

Sharing Exploratory bifactor analysis of the Wechsler Intelligence Scale for Children—Fifth Edition with the 16 primary and secondary subtests via BrowZine

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Exploratory bifactor analysis of the Wechsler Intelligence Scale for Children—Fifth Edition with the 16 primary and secondary subtests Domb...
Sunday, November 8, 2015

Perlin on Insanity and Incompetency [feedly]

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---- Perlin on Insanity and Incompetency // CrimProf Blog Michael L. Perlin (New York Law School) has posted ...
Wednesday, November 4, 2015

Missouri man with mental disability will not be executed, fo...

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Missouri man with me...
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Kevin McGrew
Dr. Kevin McGrew is Director of the Institute for Applied Psychometrics (llc). Additional information, including potential conflicts of interest resulting from commercial test development or other consultation, can be found at The MindHub(TM; http://www.themindhub.com ). General email contact is iqmcgrew@gmail.com
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