Wednesday, June 30, 2010

The Flynn Effect report series: Is the Flynn Effect a Scientifically Accepted Fact? IAP AP101 Report #7

Another new IAP Applied Psychometrics 101 report (#7) is now available.  The report is the second in the Flynn Effect series, a series of brief reports that will define, explain and discuss the validity of the Flynn Effect (click here to access all prior FE related posts at the ICDP blog) and the issues surrounding the application of a FE "adjustment" for scores based on tests with date norms (norm obsolescence), particularly in the context of Atkins MR/ID capital punishment cases.  The abstract for the brief report is presented below.  The report can be accessed by clicking here.

Report # 1 (What is the Flynn Effect) can be found by clicking here.

This report is the second in a series of brief reports the will define, explain, and summarize the scholarly consensus regarding the validity of the Flynn Effect (FE). This brief report presents a summary of the majority of FE research (in tabular form of n=113 publications) which indicates (via a simple “vote tally” method) that despite no consensus regarding the possible causes of the FE, it is overwhelming recognized as a fact by the scientific community. The series will conclude with an evaluation of the question whether a professional consensus has emerged regarding the practice of adjusting dated IQ test scores for the Flynn Effect, an issue of increasing debate in Atkins MR/ID capital punishment hearings.

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