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double-blind study

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Explanation of "Double-Blind Study"

A double-blind study is a special type of experiment that helps researchers get clear and unbiased results. In this kind of study, two important groups of people do not know certain information:

Usage Instructions
  • When to use it: Use the term "double-blind study" when discussing scientific research, especially in fields like medicine or psychology.
  • How to use it in a sentence: "The researchers conducted a double-blind study to find out if the new medicine was effective."
Example
  • "In the double-blind study, neither the patients nor the doctors knew who was receiving the real drug and who was receiving the placebo, which helped ensure the results were fair."
Advanced Usage

In more advanced discussions, you might talk about the importance of a double-blind study in reducing placebo effects (improvements in health that result from believing a treatment is working) and experimenter bias (when researchers unintentionally influence the results based on their own expectations).

Word Variants
  • Double-blind (adjective): "The double-blind trial was crucial for the validity of the research."
  • Single-blind study: In this variant, only the participants do not know which group they are in, while the researchers do.
Different Meanings

The term "double-blind study" is a specific technical term in research and does not have different meanings outside of that context.

Synonyms
  • Controlled trial: A study where one group receives the treatment and another does not.
  • Randomized trial: A study where participants are randomly assigned to different groups.
Related Idioms and Phrasal Verbs

Although there are no direct idioms or phrasal verbs associated specifically with "double-blind study," you may encounter phrases related to research, such as:

Noun
  1. an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment
    • a double-blind procedure is used to guard against both experimenter bias and placebo effects

Synonyms

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