In many cases, organization such as the American Psychological Association, provide general guidelines without providing specific guidance. As an example, we discuss the concepts of acceptable levels of reliability coefficients, as measured by the so-called “alpha” coefficients where after several decades there remains a lack of consensus.
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.
This Education Week commentary lays out major issues in principal selection and offers solutions. Armed with a solid benchmarking process, schools, including university schools of education, can screen applicants and ultimately hire a new generation of more effective leaders.
This is the original technical, entrepreneurial write up showing that the TTI Performance TriMetrix® DNA assessment data differentiates a target group of serial entrepreneurs from a sample of the general population. Further, follow on studies plan to extend the logistic regression technique to include a predictive model building approach and subsequent predictability studies as relevant data comes available.