More robust and rigorous psychometric models, such as multidimensional Item Response Theory models, have been advocated for survey applications. However, item responses may be influenced by construct-irrelevant variance factors such as preferences for extreme response options. Through empirical and simulation methods, this study evaluates the use…

This study examines the proposed Reliability Generalization (RG) method for studying reliability. RG employs the application of meta-analytic techniques similar to those used in validity generalization studies to examine reliability coefficients. This study explains why RG does not provide a proper research method for the study of reliability,…

Many theories, methods, and practices are utilized to evaluate teachers with the intention of determining teacher effectiveness to better inform decisions about retention, tenure, certification and performance-based pay. In the 21st century there has been a renewed emphasis on teacher evaluation in public schools, largely due to federal "Race…