Cronbach’s Alpha and Semantic Overlap Between Items: A Proposed Correction and Tests of Significance [PDF]
Frontiers 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
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Moving beyond Cronbach’s Alpha and Inter-Rater Reliability: A Primer on Generalizability Theory for Pharmacy Education [PDF]
INNOVATIONS in Pharmacy, 2021 Background: When available, empirical evidence should help guide decision-making. Following each administration of a learning assessment, data becomes available for analysis.
Michael Peeters
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Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability [PDF]
Frontiers in Psychology, 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.
Yusuf F. Zakariya
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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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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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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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Designing, Constructing, and Analyzing Likert Scale Data [PDF]
Journal of Education and Community Health, 2018 Background & Objective: Today, Likert scale data is used in many studies in medical, educational, and psychometric fields to understand the attitudes of individuals.
Alireza Mirahmadizadeh +3 more
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Psychometric Assessment of the PPDG: Utilizing Cronbach’s Alpha as a Means of Reliability [PDF]
INNOVATIONS 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
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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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