Related Experiment Video
Updated: Aug 19, 2026
04:23
A Treatment Package without Escape Extinction to Address Food Selectivity
Published on: August 21, 2015
Some limitations of double-blind, placebo-controlled food challenges in young children
The Journal of Allergy and Clinical Immunology
|January 1, 1991
Abstract
No abstract available in PubMed .
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Related Concept Videos
02:07Blind Procedures
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...
01:11Blinding
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.