@article{09f91bbabb424d3cb8c36af051b3a8c2,
title = "Placebo effect studies are susceptible to response bias and to other types of biases",
abstract = "Investigations of the effect of placebo are often challenging to conduct and interpret. The history of placebo shows that assessment of its clinical significance has a real potential to be biased. We analyze and discuss typical types of bias in studies on placebo.",
keywords = "Bias (Epidemiology), Humans, Magnetic Resonance Imaging, Patient Dropouts, Placebo Effect, Placebos, Positron-Emission Tomography, Publication Bias, Randomized Controlled Trials as Topic, Research Design, Research Subjects, Treatment Outcome",
author = "Asbj{\o}rn Hr{\'o}bjartsson and Kaptchuk, {Ted J} and Miller, {Franklin G}",
note = "Copyright {\textcopyright} 2011 Elsevier Inc. All rights reserved.",
year = "2011",
doi = "10.1016/j.jclinepi.2011.01.008",
language = "English",
volume = "64",
pages = "1223--9",
journal = "Journal of Clinical Epidemiology",
issn = "0895-4356",
publisher = "Elsevier Inc",
number = "11",
}