Results 11 to 20 of about 1,170,651 (305)

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

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

An R Function for Cronbach’s Alpha Analysis: A Case-Based Approach

open access: yesNational Journal of Community Medicine, 2022
Cronbach’s alpha is a very commonly used method in biomedical research. Cronbach’s alpha Indicates the extent to which the items in your questionnaire are related to each other, a useful coefficient for assessing the internal consistency of the items ...
Himani Kotian   +2 more
doaj   +2 more sources

Comparison of cronbach’s alpha and McDonald’s omega for ordinal data: Are they different?

open access: yesInternational Journal of Assessment Tools in Education, 2023
Among all, Cronbach’s Alpha and McDonald’s Omega are commonly used for reliability estimations. The alpha uses inter-item correlations while omega is based on a factor analysis result. This study uses simulated ordinal data sets to test whether the alpha
Fatih Orçan
doaj   +2 more sources

Cronbach's alpha [PDF]

open access: gold, 2021
Cronbach's alpha and omega are units of reliability of a set of items in a questionnaire. We discuss here how to calculate Cronbach's alpha and how to interpret the values. 
Arindam Basu
  +4 more sources

The Use of Cronbach’s Alpha When Developing and Reporting Research Instruments in Science Education

open access: yesResearch in Science Education, 2017
Cronbach’s alpha is a statistic commonly quoted by authors to demonstrate that tests and scales that have been constructed or adopted for research projects are fit for purpose. Cronbach’s alpha is regularly adopted in studies in science education: it was
Keith S Taber
exaly   +2 more sources

Evaluating the reliability of the athlete sleep behavior questionnaire (ASBQ): a meta-analysis of Cronbach's alpha and intraclass correlation coefficient. [PDF]

open access: yesBMC Sports Sci Med Rehabil
Background The Athlete Sleep Behavior Questionnaire (ASBQ) was designed to identify maladaptive sleep practices among athletes. The aim of this meta-analysis was to evaluate the internal consistency and the test-retest reliability coefficients of the ...
Trabelsi K   +4 more
europepmc   +2 more sources

Measuring the Internal Consistency and Reliability of the Hierarchy of Controls in Preventing Infectious Diseases on Construction Sites: The Kuder-Richardson (KR-20) and Cronbach's Alpha

open access: hybridJournal of Advanced Research in Applied Sciences and Engineering Technology, 2023
Before initiating data collection, it is customary to assess the validity and reliability of the formulated question or instrument to ensure the collection of high-quality data for research purposes. Consequently, this study aims to evaluate the internal
Vivian Wong Shao Yun   +2 more
openalex   +3 more sources

Impact on Cronbach's alpha of simple treatment methods for missing data [PDF]

open access: bronzeTutorials in Quantitative Methods for Psychology, 2016
The scientific treatment of missing data has been the subject of research for nearly a century. Strangely, interest in missing data is quite new in the fields of educational science and psychology (Peugh & Enders, 2004; Schafer & Graham, 2002). It is now
Béland, Sébastien   +2 more
doaj   +3 more sources

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