title: Taking the mystery out of "mystery shopper" studies.
authors.affiliation: Division of Emergency Care Policy Research, Department of Emergency Medicine, and the School of Social Policy and Practice, University of Pennsylvania, Philadelphia, USA.
authors.forename: Karin
authors.initials: K
authors.lastname: Rhodes
mesh_terms: D006291:Health Policy; D006297:Health Services Accessibility; D006302:Health Services Research / Q000941:ethics / Q000379:methods*; D054625:Healthcare Disparities; D006801:Humans; D016544:Patient Simulation; D058007:Physicians, Primary Care / Q000600:supply & distribution; D011320:Primary Health Care / Q000706:statistics & numerical data*; D012107:Research Design; D014481:United States; D014483:United States Dept. of Health and Human Services