Reliability is a fundamental problem for measurement in all of science. Although defined in
multiple ways, and estimated in even more ways, the basic concepts seem straightforward …

Empirical studies in psychology commonly report Cronbach's alpha as a measure of internal
consistency reliability despite the fact that many methodological studies have shown that …

The current conventions for test score reliability coefficients are unsystematic and chaotic.
Reliability coefficients have long been denoted using names that are unrelated to each …

Coefficient alpha is the most popular measure of reliability (and certainly of internal
consistency reliability) reported in psychological research. This is noteworthy given the …

This book introduces multiple-latent variable models by utilizing path diagrams to explain
the underlying relationships in the models. This approach helps less mathematically inclined …

There are three fundamental problems in Sijtsma (Psychometrika, 2008):(1) contrary to the
name, the glb is not the greatest lower bound of reliability but rather is systematically less …

Background The OAV questionnaire has been developed to integrate research on altered
states of consciousness (ASC). It measures three primary and one secondary dimensions of …

Critiques of coefficient alpha as an estimate of scale reliability are widespread in the
literature. However, the continuous overuse of this statistic in mathematics education …

Recent model-fit simulation work relevant to the higher-order model and the bifactor model
has neglected to focus upon the key statistical distinction between the two models: the …

During the last few years, burnout has gained more and more attention for its strong
connection with job performance, absenteeism, and presenteeism. It is a psychological …