Based on recent psychometric developments, this paper presents a conceptual and practical
guide for estimating internal consistency reliability of measures obtained as item sum or …

En este trabajo se presenta una guía conceptual y práctica para estimar la fiabilidad de
consistencia interna de medidas obtenidas mediante suma o promedio de ítems con base …

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 …

Highly recommended by the Journal of Official Statistics, The American Statistician, and
other journals, Applied Survey Data Analysis, Second Edition provides an up-to-date …

Introduction: Rates of successful organ donation vary between otherwise comparable
intensive care units (ICUs). The ICU staff have a unique perspective into the facilitators and …

The reliability of a test score is discussed from the viewpoint of underestimation of and,
specifically, deflation in estimates or reliability. Many widely used estimators are known to …

The Instrument for Stress-Oriented Task Analysis (ISTA, Instrument zur stressbezogenen
Taetigkeitsanalyse) is a German, action–theory-based instrument to measure stressors and …

The purpose of this review article is to indicate the abundant history of the concept of
measurement reliability and steep improvement in reliability estimation since the 1940s …

Scales are important tools for obtaining quantitative measures of theoretical constructs.
Once a set of measures to be used in a scale is selected, reliability is commonly examined in …

Evaluations of convergent and discriminant validity are generally conducted by analyzing
constructs in isolation or by comparing pairs of latent variables. These approaches ignore …