Comparison of cronbach’s alpha and McDonald’s omega for ordinal data: Are they different?
International 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
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An R Function for Cronbach’s Alpha Analysis: A Case-Based Approach
National 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
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Journal 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
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The Use of Cronbach’s Alpha When Developing and Reporting Research Instruments in Science Education
Research 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
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Impact on Cronbach's alpha of simple treatment methods for missing data [PDF]
Tutorials 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
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The Logical Structure of Cronbach's Coefficient Alpha, and its Precision in Estimating Reliability under Measurement Models Assumptions. [PDF]
Journal of Islamic Studies, 2009 The study examined three main research questions: 1- What is the logical structure of Cronbach's Coefficient Alpha and its implications" 2- Under what measurement models and cicumstances the use of Coefficient Alpha produce either accurate or biased ...
Mohamed Tighezza
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Sample Size in Reliability Studies: A Practical Guide Based on Cronbach's Alpha
Psychiatry and Behavioral Sciences, 2022 Objective: Internal consistency of scales is crucial for the quality of clinical practices, and scales that measure various aspects of clinical disorders must possess acceptable internal consistency.
Sevinç Püren Yücel +1 more
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Early Childhood Oral Health Impact Scale (ECOHIS) questionnaire: reliability generalization meta-analysis of Cronbach’s alpha [PDF]
BMC Oral HealthObjective To summarise the estimates of Cronbach’s α for the Child Impact Section (CIS), Family Impact Section (FIS), and total Early Childhood Oral Health Impact Scale (ECOHIS) and to identify the significant predictors that may influence the pooled ...
Kalyana C. Pentapati +5 more
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Reliability generalization meta-analysis of Cronbach’s alpha of the oral impacts on daily performance (OIDP) questionnaire [PDF]
BMC Oral HealthObjective To evaluate the pooled estimates of Cronbach’s alpha of the Oral Impacts on Daily Performance (OIDP) questionnaire and explore the moderators that could have influenced the overall estimate.
Kalyana Chakravarthy Pentapati +3 more
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Is Cronbach's alpha sufficient for assessing the reliability of the OSCE for an internal medicine course? [PDF]
BMC Res Notes, 2015 BackgroundThe number of medical students accepted into medical programs is increasing, which has made the traditional long/short case style of examination difficult to conduct.
Al-Osail AM +6 more
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