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Accounting for common method variance in cross-sectional research designs
1Hazard Reduction and Recovery Center, Texas A&M University, College Station 77843-3137, USA. mlindell@archone.tamu.edu
The Journal of Applied Psychology
|April 17, 2001
Summary
Cross-sectional studies can overstate findings due to common method variance (CMV). This study introduces a partial correlation method to adjust for CMV, ensuring more accurate attitude-behavior relationship analysis.
Area of Science:
- Psychometrics
- Social Psychology
- Quantitative Research Methods
Background:
- Cross-sectional attitude-behavior studies risk inflated correlations due to common method variance (CMV).
- Uncorrected CMV can distort the perceived statistical and practical significance of predictors.
Purpose of the Study:
- To present a statistical model for adjusting correlations for CMV in cross-sectional research.
- To assess the impact of CMV on conclusions regarding predictor significance.
- To propose questionnaire design strategies to improve CMV adjustment precision.
Main Methods:
- Development of a partial correlation analysis model.
- Application of the model to adjust observed correlations for CMV contamination.
- Simulation or empirical testing of the model's effectiveness.
Main Results:
- The proposed partial correlation method effectively adjusts for CMV.
- The adjustment reveals the true relationship strength, correcting for inflation.
- The method clarifies whether CMV has influenced the significance of findings.
Conclusions:
- Partial correlation analysis offers a robust approach to mitigate CMV bias in attitude-behavior research.
- Researchers can more confidently interpret findings by accounting for CMV.
- Improved questionnaire design can enhance the accuracy of CMV adjustments.
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