Recall bias in epidemiologic studies

摘要: The factors which contribute to bias due differential recall between cases and controls in retrospective studies have been little studied. A review of the literature on accuracy suggests that extent inaccurate is related characteristics exposure interest respondents, though a distinction must be drawn biased simply inaccurate. Interviewing technique study protocol, including design questionnaires motivation play central role are under control investigator. results validation carried out date suggest likelihood may greater when poor general.