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Free Elementary Education: Three Subject Bundle—Science Subtest (Praxis 5905) Practice Test

Test your knowledge with free Praxis 5901 practice questions. Each question includes a detailed explanation to help you understand the correct answer.

Free Half-Length Practice Test: This free practice test includes 28 questions to help you get familiar with the Praxis 5901 exam format. Want access to all 55 practice questions plus full study materials? Get Full Access →

Free Practice Questions

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In experimental design, the purpose of a control group is to:

A.Receive a placebo treatment to account for psychological effects.

B.Provide a baseline for comparison by not receiving the treatment.

C.Reduce variability in the data by standardizing conditions.

D.Increase sample size to improve statistical power.

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