Factorial Validity, Reliability, Measurement Invariance and the Graded Response Model for the Covid-19 Anxiety Scale in a Sample of Ecuadorians
Bibliographic Data
The aims of the research are to evaluate the factorial validity, internal consistency, measurement invariance, discrimination, and difficulty of the Covid-19 Anxiety Scale (CAS) applied to a sample of Ecuadorian adults ( N = 451). The study is based on an instrumental design with Classical Test Theory (CTT) and Item Response Theory (IRT) technics. The results confirmed the validity of the CAS single-factor structure, with measurement invariance across gender and high internal consistency. Additionally, all CAS items displayed adequate discrimination indexes and proper ordering of the difficulty thresholds. In a conclusion, the CAS is a valid measurement scale for Ecuadorian adults
2019-20 coronavirus outbreak · Anxiety · Cartography · Confirmatory factor analysis · Coronavirus disease 2019 (COVID-19 · Econometrics · Factorial · Geography · Mathematical analysis · Measurement invariance · Physics · Power (physics · Psychiatry · Psychometrics · Reliability (semiconductor · Sample (material · Scale (ratio · Statistics · Structural equation modeling · Validity · Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes · COVID-19 and Mental Health · COVID-19 Pandemic Impacts · Mathematics · Medicine · Psychology · Virology
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| Unique citing works | 7 |
|---|---|
| Citations per year | 2,33 |
| Citation span | 2023 - 2024 (2) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 6 |