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pickupchik [31]
3 years ago
9

If participants in the experimental group of a drug treatment study are much younger than participants in the control group, the

age of the research participants is a(n)
Social Studies
1 answer:
stira [4]3 years ago
7 0

Answer:

confounding variable.

Explanation:

Confounding variables (a.k.a. confounders or confounding factors) are a type of extraneous variable that are related to a study’s independent and dependent variables.

im so sorry if im wrong

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Causes of World War I- brainly.com/question/8020368

Key Details:

Topic: American History, World War I

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Keywords: Selective Service Act, World War I, conscription

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