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Common Method Bias in Public Management Studies

ABSTRACT The questionnaire survey is one of the most commonly used methods of data collection in public management research. These surveys often provide the information used to measure both the independent and dependent variables in an analysis. However, this introduces the risk of common method bias—a serious methodological challenge that has not received much attention as a distinct topic in public management research. We discuss the challenge of common method bias in relation to public management studies and illustrate the problem using an analysis of intrinsic work motivation and sickness absence. Thereafter, we discuss solutions for reducing common method bias when it is not possible to use different methods.