Develo** self-report Likert scales is an essential part of modern psychology. However, it is
hard for psychologists to remain apprised of best practices as methodological developments …

Cronbach's alpha (coefficient α) is the conventional statistic communication scholars use to
estimate the reliability of multi-item measurement instruments. For many, if not most …

Cronbach's alpha (α) is a widely-used measure of reliability used to quantify the amount of
random measurement error that exists in a sum score or average generated by a multi-item …

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 Cronbach's alpha is the most widely used method for estimating internal consistency
reliability. This procedure has proved very resistant to the passage of time, even if its …

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

Reliable measurements are key to social science research. Multiple measures of reliability
of the total score have been developed, including coefficient alpha, coefficient omega, the …

A key assumption in modern conceptualizations of charisma is that it is a costly signal. It thus
should be easier for intelligent individuals to produce this signal: it requires one to be …

Objective Researchers conceptualize grit as the combination of two facets: perseverance of
effort and consistency of interests toward long‐term goals. We tested the reliability of grit …

This note discusses the merits of coefficient alpha and their conditions in light of recent
critical publications that miss out on significant research findings over the past several …