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Aloiza [94]
3 years ago
10

Define a double-blind study, demand characteristics, and observer bias.  How does a double-blind design control for demand chara

cteristics and observer bias?​
Social Studies
1 answer:
Molodets [167]3 years ago
4 0

Answer:

A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.

For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.

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