+"Single blind" is a research methodology where one party, usually the participant, is unaware of key information, such as which [Treatment](/wiki/treatment) they receive. This design helps to prevent conscious or unconscious [Bias](/wiki/bias) from influencing study results.
+## See also
+- [Double Blind](/wiki/double_blind)
+- [Placebo](/wiki/placebo)
+- [Research Design](/wiki/research_design)
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