Respuesta :
In a double-blind study, both the researchers and the participants are unaware of the group assignments.
A double-blind study is a study where both the researchers and participants are not provided with information about the study until the outcome of the study has been determined.
The purpose of a double-blind study is to eliminate bias or reduce bias.
A double-blind study is usually used in clinical trials for drugs
An example of a double-blind study
A researcher wants to test if the drug he developed is effective in curing a disease. The researcher approaches a friend to help. The friend chooses ten patients. Five patients are given a placebo and five patients are given the drug. Neither the researcher or the patients know who received the placebo or the drug until after the study has been completed.
To learn more about double-blind study, please check : https://brainly.com/question/20058419?referrer=searchResults