Rasch Measurement: The Gold Standard for Precision Data
The Rasch Model: A Comprehensive Encyclopedia Entry Introduction to the Rasch Model The Rasch Model is a fundamental psychometric model employed for the rigorous measurement and analysis of data, particularly within the social sciences, education, and health care. At its core, it provides a powerful framework for transforming ordinal observations, such as responses to survey […]
Psychometric Guessing: How to Improve Test Accuracy
Correction for Guessing: A Review of Methodologies and Their Applications Abstract Guessing behavior is an important factor in test taking that can impact the accuracy of test score interpretations. Although there are various methods to adjust for guessing, the extent to which these methods should be used, and their effectiveness, is still debated. This review […]