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Extrinsic Convergent Validity Evidence to Prevent Jingle and Jangle Fallacies
Oscar Gonzalez1, David P MacKinnon2, Felix B Muniz2
1Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill.
This study introduces extrinsic convergent validity to assess construct overlap in psychology. It provides a formal method to determine if measures assess similar or different psychological constructs, preventing research errors.
Area of Science:
- Psychology
- Psychometrics
Background:
- Psychological research often proposes new constructs and measures.
- Investigating construct overlap is crucial to prevent bifurcated literatures and research waste.
- Jingle-jangle fallacies occur when measures with the same/different labels assess different/same constructs.
Purpose of the Study:
- To introduce extrinsic convergent validity as a source of validity evidence.
- To present a formal statistical approach for obtaining extrinsic convergent validity evidence.
- To illustrate the application of this method to examine construct overlap.
Main Methods:
- Discussing the concept of extrinsic convergent validity.
- Introducing formal tests of dependent correlations to assess extrinsic convergent validity.
- Conducting Monte Carlo simulations to evaluate the proposed tests.
Main Results:
- Demonstrating a formal approach to obtain extrinsic convergent validity evidence.
- Evaluating the statistical tests' performance via simulations.
- Illustrating methods with examples on self-control, grit, and connectedness to nature constructs.
Conclusions:
- Extrinsic convergent validity offers a valuable method for assessing construct overlap.
- This evidence supplements existing methods for construct validation.
- The proposed approach aids in preventing jingle-jangle fallacies in psychological research.
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