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View article: The Use of Cronbach’s Alpha When Developing and Reporting Research Instruments in Science Education
The Use of Cronbach’s Alpha When Developing and Reporting Research Instruments in Science Education Open
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 ed…
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Exploratory Factor Analysis: A Guide to Best Practice Open
Exploratory factor analysis (EFA) is a multivariate statistical method that has become a fundamental tool in the development and validation of psychological theories and measurements. However, researchers must make several thoughtful and e…
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Factor Analysis as a Tool for Survey Analysis Open
Factor analysis is particularly suitable to extract few factors from the large number of related variables to a more manageable number, prior to using them in other analysis such as multiple regression or multivariate analysis of variance.…
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ABC of Content Validation and Content Validity Index Calculation Open
There are five sources of validity evidence that are content, response process, internal structure, relation to other variables, and consequences.Content validity is the extent of a measurement tool represents the measured construct and it…
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Understanding and Using Factor Scores: Considerations for the Applied Researcher Open
Following an exploratory factor analysis, factor scores may be computed and used in subsequent analyses. Factor scores are composite variables which provide information about an individual's placement on the factor(s). This article discuss…
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Reporting reliability, convergent and discriminant validity with structural equation modeling: A review and best-practice recommendations Open
Many constructs in management studies, such as perceptions, personalities, attitudes, and behavioral intentions, are not directly observable. Typically, empirical studies measure such constructs using established scales with multiple indic…
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The PERMA-Profiler: A brief multidimensional measure of flourishing Open
In the book Flourish (2011), Seligman defined wellbeing in terms of five pillars: Positive emotion, Engagement, Relationships, Meaning, and Accomplishment, or PERMA.We developed the PERMA-Profiler as a brief measure of PERMA.We first compi…
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Discriminant Validity Assessment: Use of Fornell & Larcker criterion versus HTMT Criterion Open
Assessment of discriminant validity is a must in any research that involves latent variables for the prevention of multicollinearity issues. Fornell and Larcker criterion is the most widely used method for this purpose. However, a new meth…
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Constructing validity: New developments in creating objective measuring instruments. Open
In this update of Clark and Watson (1995), we provide a synopsis of major points of our earlier article and discuss issues in scale construction that have become more salient as clinical and personality assessment has progressed over the p…
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Beyond confidence: Development of a measure assessing the 5C psychological antecedents of vaccination Open
The 5C scale provides a novel tool to monitor psychological antecedents of vaccination and facilitates diagnosis, intervention design and evaluation. Its short version is suitable for field settings and regular global monitoring of relevan…
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An Updated Guideline for Assessing Discriminant Validity Open
Discriminant validity was originally presented as a set of empirical criteria that can be assessed from multitrait-multimethod (MTMM) matrices. Because datasets used by applied researchers rarely lend themselves to MTMM analysis, the need …
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Exploratory graph analysis: A new approach for estimating the number of dimensions in psychological research Open
The estimation of the correct number of dimensions is a long-standing problem in psychometrics. Several methods have been proposed, such as parallel analysis (PA), Kaiser-Guttman's eigenvalue-greater-than-one rule, multiple average partial…
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Bridging Design and Behavioral Research With Variance-Based Structural Equation Modeling Open
Advertising research is a scientific discipline that studies artifacts (e.g., various forms of marketing communication) as well as natural phenomena (e.g., consumer behavior). Empirical advertising research therefore requires methods that …
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Development and Validation of the User Version of the Mobile Application Rating Scale (uMARS) Open
The uMARS is a simple tool that can be reliably used by end-users to assess the quality of mHealth apps.
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Improving the content validity of the mixed methods appraisal tool: a modified e-Delphi study Open
Results of this study led to improve the content validity of this tool, revise it, and propose a new version (MMAT version 2018).
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Psychometric analysis of the PTSD Checklist-5 (PCL-5) among treatment-seeking military service members. Open
The Posttraumatic Stress Disorder Checklist (PCL-5; Weathers et al., 2013) was recently revised to reflect the changed diagnostic criteria for posttraumatic stress disorder (PTSD) in the fifth edition of the Diagnostic and Statistical Manu…
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The Social Media Disorder Scale Open
There is growing evidence that social media addiction is an evolving problem, particularly among adolescents. However, the absence of an instrument measuring social media addiction hinders further development of the research field. The pre…
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TWO CRITERIA FOR GOOD MEASUREMENTS IN RESEARCH: VALIDITY AND RELIABILITY Open
Reliability and validity are two most important and fundamental features in the evaluation of any measurement instrument or toll for a good research. The purpose of this research is to discuss the validity and reliability of measurement in…
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Perceptions of students regarding E-learning during Covid-19 at a private medical college Open
Objective: The purpose of this study was to determine the perceptions of students towards e-learning during the lock down. Methods: A descriptive cross-sectional study was conducted at Liaquat College of Medicine and Dentistry. MBBS and BD…
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An Ultra-Short Measure for Work Engagement Open
The current study introduces an ultra-short, 3-item version of the Utrecht Work Engagement Scale. Using five national samples from Finland ( N = 22,117), Japan ( N = 1,968), the Netherlands ( N = 38,278), Belgium/Flanders ( N = 5,062), and…
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A Review on Sample Size Determination for Cronbach’s Alpha Test: A Simple Guide for Researchers Open
In the assessment of the internal consistency of an instrument, the present study proposed the Cronbach's alpha's coefficient to be set at 0.5 in the null hypothesis and hence larger sample size is needed. For comparison of two coefficient…
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What Is the Test-Retest Reliability of Common Task-Functional MRI Measures? New Empirical Evidence and a Meta-Analysis Open
Identifying brain biomarkers of disease risk is a growing priority in neuroscience. The ability to identify meaningful biomarkers is limited by measurement reliability; unreliable measures are unsuitable for predicting clinical outcomes. M…
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The German version of the Perceived Stress Scale – psychometric characteristics in a representative German community sample Open
The PSS-10 is a reliable, valid and economic instrument for assessing perceived stress. As psychological stress is associated with an increased risk of diseases, identifying subpopulations with higher levels of stress is essential. Due to …
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Test–retest reliability, validity, and minimum detectable change of visual analog, numerical rating, and verbal rating scales for measurement of osteoarthritic knee pain Open
All the three scales had excellent test-retest reliability. However, the VAS was the most reliable, with the smallest errors in the measurement of OA knee pain.
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Uji Validitas dan Reliabilitas Instrumen Penelitian Kuantitatif Open
The research instrument is a tool used to collect data or measure objects of a research variable. To obtain the correct data for the conclusion that is in accordance with the actual situation, then required a valid instrument and consisten…
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Development and Validation of a Self-Report Measure of Mentalizing: The Reflective Functioning Questionnaire Open
Reflective functioning or mentalizing is the capacity to interpret both the self and others in terms of internal mental states such as feelings, wishes, goals, desires, and attitudes. This paper is part of a series of papers outlining the …
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VALIDITY AND RELIABILITY IN QUANTITATIVE RESEARCH Open
The Validity and Reliability of the scales used in research are essential factors that enable the research to yield beneficial results. For this reason, it is useful to understand how the Reliability and Validity of the scales are measured…
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The Multidimensional Assessment of Interoceptive Awareness, Version 2 (MAIA-2) Open
Interoception, the process by which the nervous system senses, interprets, and integrates signals originating from within the body, has become major research topic for mental health and in particular for mind-body interventions. Interocept…
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Un viaje alrededor de alfa y omega para estimar la fiabilidad de consistencia interna Open
Based on recent psychometric developments, this paper presents a conceptual and practical guide for estimating internal consistency reliability of measures obtained as item sum or mean. The internal consistency reliability coefficient is p…
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Rasch Analysis for Instrument Development: Why, When, and How? Open
This essay describes Rasch analysis psychometric techniques and how such techniques can be used by life sciences education researchers to guide the development and use of surveys and tests. Specifically, Rasch techniques can be used to doc…