“…Despite the scientific success of the science of mental abilities, and its application to behavior at work by HR and I-O psychology, some have bemoaned the fact that HR and I-O psychology has lost contact with differential psychology and measurement theory (e.g., Schmidt, 2002;Schmidt & Hunter, 1998;Scherbaum, Goldstein, Yusko, Ryan, & Hanges, 2012). Although there are likely many reasons for this shift in focus, we believe that a primary reason is that the research demonstrating the usefulness of 'g' in predicting many aspects of behavior, particularly in the realm of work, has been exceptionally successful (Murphy, 1996).…”