[Status of placebo acupuncture control research]

Hai-Yong Yang1, Dong-Yan Wang2, Xu Dong2

  • 1Heilongjiang University of CM, Harbin 150040, China.

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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...
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