Tag: trait measurement

November 28, 2025 / Mohammed looti

CONCEALED MEASUREMENT

Introduction and Definition of Concealed Measurement Concealed measurement represents a critical methodology within psychological and social science research, defined fundamentally as the collection of data regarding a specific trait, behavior, or attitude of an individual or group without their explicit awareness that the measurement is occurring. This approach is rooted in the recognition that the […]

November 1, 2025 / Mohammed looti

TRUE SCORE

Introduction to the True Score Concept The concept of the True Score is foundational to psychometrics and is the central pillar of Classical Test Theory (CTT). In essence, the True Score, often denoted by the variable T, represents the hypothetical value that accurately reflects the actual, underlying quantity of a specific psychological trait or ability […]