Methodology in consultation-liaison research: a classification of biases



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	PubMed Citation
	Articles by Levenson, J. L.
	Articles by Bareta, J. C.

Psychosomatics 1990; 31:367-376
Copyright © 1990 by Academy of Psychosomatic Medicine

ORIGINAL RESEARCH REPORTS

Methodology in consultation-liaison research: a classification of biases

JL Levenson, C Colenda, DB Larson and JC Bareta
Department of Psychiatry, Virginia Commonwealth University/Medical College of Virginia, Richmond.

Methodology is receiving overdue attention in psychiatric research. This article focuses on biases encountered in studies in consultation- liaison psychiatry. A classification of biases derived from epidemiology is presented, and the expected impact of each bias is discussed. Methods to minimize bias in the design and implementation of consultation-liaison research are suggested.

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