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zlopas [31]
3 years ago
15

Which type of research study is set up so that neither subjects nor investigators know which is the active group and which is re

ceiving a placebo?
Question 10 options:

Case control

Double blind

Clinical trial

Epidemiological
Health
2 answers:
Nesterboy [21]3 years ago
8 0

Answer:

Double Blind.

Explanation:

i took the test

julsineya [31]3 years ago
5 0
Double blind is the type of research study is set up so that neither subjects nor investigators know which is the active group and which is receiving a placebo.
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