OpenPsych Forum FAQ About Search Get Results > Login Login Register Javascript is disabled in your browser. Many features will not work at all. John Herrnstein (pseudonym) Country: Not stated Affilation: Not stated Job title: Not stated Forum posts by John Herrnstein Published papers in OpenPsych journals Paper reviewed in OpenPsych journals July 18, 2025, Spearman's g Explains Black-White but not Sex Differences in Cognitive Abilities in the Project Talent June 22, 2023, On The Validity of The GSS Vocabulary Test Across Groups Nov. 19, 2022, The Square-Root Scree Plot: A Simple Improvement to a Classic Display