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Neither Cronbach’s Alpha nor McDonald’s Omega: A Commentary on Sijtsma and Pfadt
Sijtsma and Pfadt (
2021 ) published a thought-provoking article on coefficient alpha. I make the following arguments against their work. 1) Kuder and... -
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Beyond alpha and omega: The accuracy of single-test reliability estimators in unidimensional continuous data
Coefficient alpha is commonly used as a reliability estimator. However, several estimators are believed to be more accurate than alpha, with factor...
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Psychometric Properties of the Instructional Satisfaction Questionnaire in Face-to-Face and Emergency Remote Education Settings
The psychometric properties of a questionnaire to measure and compare student satisfaction with instruction in Face-to-Face Education (FFE) and...
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On the Relationship Between Coefficient Alpha and Closeness Between Factors and Principal Components for the Multi-factor Model
Cronbach’s alpha remains very important as a measure of internal consistency in the social sciences. The Spearman-Brown formula indicates that as the...
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Frontal alpha asymmetry during emotion regulation in adults with lifetime major depression
Emotion regulation (ER) often is impaired in current or remitted major depression (MD), although the extent of the deficits is not fully understood....
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Investigation of the Turkish Psychometric Properties of Bedtime Procrastination and While-in-Bed Procrastination Scales for Adolescents
Bedtime procrastination and while-in-bed procrastination is one of the important problems frequently encountered in adolescents. This study was...
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Relationship between the executive function of children and the duration of physical activity with the mediating role of alpha, beta and theta brainwaves
Physical activities have a great role in the physical health of children; however, their role in the brain development and the cognitive functions of...
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Directional Alpha Frontoparietal Connectivity and Anxiety in Autistic Boys
Describing neural connectivity between pre-frontal and parietal brain regions and anxiety in children and adolescents with Autism Spectrum Disorder...
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Alpha, FACTT, and Beyond
Sijtsma and Pfadt (Psychometrika, 2021) provide a wide-ranging defense for the use of coefficient alpha. Alpha is practical and useful when its...
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Psychometric Properties of the Persian Version of the Participant Role Scales in Bullying School
Bullying is a form of school violence that has recently received the attention of school psychologists. One of these problems that exists in almost...
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Psychometric Properties of the Turkish Version of the Short Mood and Feelings Questionnaire-Child Self-Report
The Short Mood and Feelings Questionnaire-Child Self Report (SMFQ-C; 13-item) was developed to assess depression among children and adolescents. The...
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Assessing Somatic Symptom Scale-8 (SSS-8) in Chinese youth and adolescents: using Classical Test Theory and Rasch Measurement Theory
Evaluating the increasing somatic symptoms in adolescents and youth is essential in epidemiological surveillance. This study aims to investigate the...
