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 ...

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 ...

More than one correlation coefficient can be computed between two variables when the data can be organized into subsets determined by one or more grouping factors. This paper discusses the ...

The number on the scale does not tell the whole story. Your body weight does not account for your body fat, muscle mass and bone density, and will not tell how much of it is due to water retention or ...