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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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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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Applications of Alpha Neurofeedback Processes for Enhanced Mental Manipulation of Unfamiliar Molecular and Spatial Structures
This study explores a novel approach to enhancing cognitive proficiency by targeting neural mechanisms that facilitate science and math learning,...
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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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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... -
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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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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A Varying Coefficient Model to Jointly Test Genetic and Gene–Environment Interaction Effects
Most human traits are influenced by the interplay between genetic and environmental factors. Many statistical methods have been proposed to screen...
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Musical Auditory Alpha Wave Neurofeedback: Validation and Cognitive Perspectives
Neurofeedback through visual, auditory, or tactile sensations improves cognitive functions and alters the activities of daily living. However, some...
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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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Reliability and validity of the Turkish version of the thirst distress scale-heart failure
Objective : Patients with heart failure may experience thirst distress. There is, however, no measurement tool to define patients’ thirst distress in...
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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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The Validity and Reliability of the Turkish Version of the Autism Family Experience Questionnaire (AFEQ)
The aim of this study was to examine the reliability and validity of the Turkish version of the AFEQ for Turkish parents of children with ASD. The...
