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Making sense of Cronbach's alpha. [PDF]

open access: hybridInt J Med Educ, 2011
Medical educators attempt to create reliable and valid tests and questionnaires in order to enhance the accuracy of their assessment and evaluations.
Tavakol M, Dennick R.
europepmc   +4 more sources

Best Alternatives to Cronbach's Alpha Reliability in Realistic Conditions: Congeneric and Asymmetrical Measurements. [PDF]

open access: goldFront Psychol, 2016
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 limitations are well documented and although there are better options as ...
Trizano-Hermosilla I, Alvarado JM.
europepmc   +4 more sources

Cronbach’s Alpha and Semantic Overlap Between Items: A Proposed Correction and Tests of Significance [PDF]

open access: yesFrontiers in Psychology, 2022
The purpose of the present study was to address the shortcomings of Cronbach’s alpha concerning the semantic overlap between items. Using an example from a motivational measure, the correction of Cronbach’s alpha was applied by partialing out the effects
Ghadah S. Alkhadim
doaj   +3 more sources

Good practices in normal childbirth: reliability analysis of an instrument by Cronbach’s Alpha [PDF]

open access: yesRevista Latino-Americana de Enfermagem, 2018
Objectives: to analyze the internal consistency of the evaluation instrument of the adherence to the good practices of childbirth and birth care in the professionals, through Cronbach’s Alpha Coefficient for each of the dimensions and for the total ...
Leila Bernarda Donato Gottems   +3 more
doaj   +3 more sources

Cronbach's alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability. [PDF]

open access: yesFront Psychol, 2022
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 research suggests a disconnection between theory and practice.
Zakariya YF.
europepmc   +2 more sources

Cronbach's Alpha: A Cornerstone in Ensuring Reliability and Validity in Environmental Health Assessment [PDF]

open access: bronzeES Energy & Environment, 2023
Cronbach's alpha (CA) presents significant potential in environmental health assessment. This metric plays a crucial role in ensuring the reliability of measurement instruments, guaranteeing that they consistently capture the intended constructs across ...
Sylvester Chibueze Izah   +2 more
openalex   +2 more sources

KR20 and KR21 for Some Nondichotomous Data (It's Not Just Cronbach's Alpha). [PDF]

open access: yesEduc Psychol Meas, 2021
This article presents some equivalent forms of the common Kuder–Richardson Formula 21 and 20 estimators for nondichotomous data belonging to certain other exponential families, such as Poisson count data, exponential data, or geometric counts of trials ...
Foster RC.
europepmc   +2 more sources

Part II: On the Use, the Misuse, and the Very Limited Usefulness of Cronbach's Alpha: Discussing Lower Bounds and Correlated Errors. [PDF]

open access: yesPsychometrika, 2021
Prior to discussing and challenging two criticisms on coefficient α\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek ...
Sijtsma K, Pfadt JM.
europepmc   +2 more sources

Psychometric Assessment of the PPDG: Utilizing Cronbach’s Alpha as a Means of Reliability [PDF]

open access: diamondINNOVATIONS in Pharmacy, 2013
Introduction: Since the development of the 10 item Purdue Pharmacist Directive Guidance (PPDG) Scale several studies of the psychometric properties of the PPDG have been conducted.
Joe R. Anderson, Pharm. D.   +2 more
doaj   +5 more sources

A Review on Sample Size Determination for Cronbach's Alpha Test: A Simple Guide for Researchers. [PDF]

open access: yesMalays J Med Sci, 2018
Background Reliability studies are commonly used in questionnaire development studies and questionnaire validation studies. This study reviews the sample size guideline for Cronbach’s alpha test.
Bujang MA, Omar ED, Baharum NA.
europepmc   +2 more sources

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