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Related Experiment Video

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Advancing Dyslexia Assessment in Children Through Computerized Testing

Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Gregory research beliefs scale: discriminant construct, concurrent criterion, and known-groups validity.

Virgil L Gregory¹

¹Gregory Research Consulting Corporation, Indianapolis, IN 46224, USA. vgregory@imail.iu.edu

Journal of Evidence-Based Social Work

|October 25, 2012

Summary

The Gregory Research Beliefs Scale (GRBS) shows strong discriminant validity but mixed results for concurrent and known-groups validity in social work students. Further research is needed to refine the scale for evidence-based practice.

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Last Updated: May 17, 2026

Advancing Dyslexia Assessment in Children Through Computerized Testing

Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Area of Science:

Social Work Research Methods
Psychometrics
Educational Assessment

Background:

Assessing the validity of research instruments is crucial for reliable data collection in social work.
The Gregory Research Beliefs Scale (GRBS) is used to measure social work students' beliefs about research.
Evaluating the GRBS's psychometric properties ensures its suitability for diverse student populations and learning environments.

Purpose of the Study:

To evaluate the discriminant construct, concurrent criterion, and known-groups validity of the Gregory Research Beliefs Scale (GRBS).
To determine the reliability and applicability of the GRBS across different educational settings (online vs. traditional).

Main Methods:

Data collected from masters and bachelors level social work students.
Employed principal component analysis and confirmatory factor analysis to assess discriminant construct validity.
Utilized correlation coefficients to examine concurrent criterion validity.
Investigated known-groups validity through comparisons between relevant student groups.

Main Results:

The Gregory Research Beliefs Scale (GRBS) demonstrated supported discriminant construct validity.
Evidence for concurrent criterion validity was found through correlation coefficients.
Known-groups validity for the Gregory Research Beliefs Scale (GRBS) was not supported by the study's findings.
The scale's validity was examined in both online and traditional classroom settings.

Conclusions:

The GRBS shows promise, particularly regarding its discriminant construct validity.
Further refinement may be necessary to establish robust concurrent criterion and known-groups validity.
Implications for evidence-based social work practice and future research directions are discussed.