Psychological measurement and theory constitute a central endeavour in the modern scientific study of human behaviour and mental processes. This field explores the quantitative assessment of abstract ...

Measurement Theory and Psychometrics constitute a rigorous and evolving framework for quantifying psychological constructs, cognitive abilities and other latent traits. At its core, this ...

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 ...

Below is the July 20th “Thoughts from the Frontline” newsletter, republished in full. “Measurement theory shows that strong assumptions are required for certain statistics to provide meaningful ...

The foundation of successful experimentation begins with having the right people and support structures. This starts with hiring skilled data scientists or analysts who understand marketing ...

The transfer of heat is normally from a high temperature object to a lower temperature object. Heat transfer from a cold region to a hot region can be done by forcing the system (refrigerators, for ...