Why TTI Enforces Our Intellectual Property Protection Plans
Developing personal attribute assessments and related tools is a costly and time-consuming process. TTI invests significant resources, including money, time, and talent…
Developing personal attribute assessments and related tools is a costly and time-consuming process. TTI invests significant resources, including money, time, and talent…
This is the third in a series of articles outlining the International Test Commission’s (ITC) Guidelines for Translating and Adapting Tests. The ITC guidelines are provided in a six-category format that includes the topics pre-condition, test development, confirmation, administration, scoring and interpretation, and documentation. It is the goal of this series to provide the motivation behind and an outline for the TTI Success Insights translation protocol.
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.
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.