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Validation of the Spanish Short Self-Regulation Questionnaire (SSSRQ) through Rasch Analysis.
Angélica Garzón Umerenkova1, Jesús de la Fuente Arias2, José Manuel Martínez-Vicente3
1School of Psychology, Fundación Universitaria Konrad Lorenz Bogotá, Colombia.
Frontiers in Psychology
|March 17, 2017
Summary
The Spanish Short Self-Regulation Questionnaire (SSSRQ) shows good psychometric properties in university students. Rasch analysis confirmed its structure, but item improvements could enhance validity and reliability.
Area of Science:
- Psychometrics
- Educational Psychology
Background:
- Self-regulation is crucial for academic success.
- The Spanish Short Self-Regulation Questionnaire (SSSRQ) is a key instrument for measuring this construct.
Purpose of the Study:
- To psychometrically characterize the Spanish Short Self-Regulation Questionnaire (SSSRQ) using Rasch analysis.
- To evaluate the SSSRQ's structural validity, item fit, response category functionality, reliability, and differential item functioning (DIF).
Main Methods:
- Confirmatory Factor Analysis (CFA) to assess structural adequacy.
- Rasch analysis applied to the SSSRQ sub-scales with 831 university students.
- Examination of unidimensionality, item fit, response categories, reliability, and DIF by gender and academic year.
Main Results:
- The SSSRQ sub-scales demonstrated unidimensionality and acceptable item fit.
- Response categories functioned appropriately, and sample reliability was adequate.
- Identified areas for improvement include adding items of varying difficulty to enhance construct validity and reliability, and noted DIF for specific items.
Conclusions:
- Rasch analysis complements CFA, providing a robust psychometric evaluation of the SSSRQ.
- The SSSRQ is a reliable instrument, with potential for enhancement through item refinement.
- DIF analysis highlights potential biases that warrant further investigation.
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