方法证据记录
Double-blind Control Group Experimental Design
A double-blind control group experimental design is a rigorous experimental structure in which participants are randomly assigned to at least one treatment group and one control group, while both the participants and the researchers collecting or assessing outcomes are kept unaware of group assignment. By combining allocation concealment with blinding at two levels, the design minimizes expectancy bias, placebo effects, and assessor bias simultaneously, making it a cornerstone of high-quality intervention research in medicine, psychology, and the social sciences.
源记录
引文逐字复制自方法源记录。这些引文不代表任何层级的验证。
Double-blind Randomized Experiment with Control Group
分类方法记录 · process-pipeline / experimental-design
- Fisher, R. A. (1935). The Design of Experiments. Oliver and Boyd. · URL
- Blinded experiment. Wikipedia. · URL
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