The follow-on article discusses the specifics of the TTI Success Insights approach to addressing the American Psychological Association’s (APA) viewpoints toward and suggestions for measuring critical components of our assessments. The paper focuses on defining and explaining how TTISI is collecting evidence of validity and reliability.
This paper provides a brief introduction to item response theory, presents a short list of several popular item response theory models, and gives a brief snapshot of the results of the graded response model applied to the TTI Success Insights EQ assessment.
One of the major challenges of a company such as TTI Success Insights is to address the rigorous demands of the academic professional world as it relates to acceptably valid and reliable assessments. This short exposé attempts to place in a concise form the current view of the American Psychological Association (APA) on the evidence of validity and reliability as presented in the Handbook of Testing and Assessment in Psychology, Volume 1: Test Theory and Testing and Assessment in Industrial and Organizational Psychology.
This short generic review poses the questions that a client should ask of every assessment provider. The answers will help them understand the purpose and the best tool to solve their unique needs.