Two methods of constructing equal-interval scales for educational achievement are discussed: Thurstone's absolute scaling method and Item Response Theory (IRT). Alternative criteria for choosing a ...

Examples of employee performance measurement include a variety of methods employers use based on the employee's job category, employee-supervisor relationship and workplace culture. They range from ...

Standard errors of measurement of scale scores by score level (conditional standard errors of measurement) can be valuable to users of test results. In addition, the Standards for Educational and ...