A double-blind study means:

A No one is involved

B Neither the participants nor the researchers know who receives treatment vs. placebo

C Only the participants are blind

D Only the researchers are blind

✓ Correct Answer: Option B

Double-blind eliminates both participant and researcher bias about treatment allocation.

💡 Why is B) the correct answer?

The correct answer to the question "A double-blind study means:" is Option B: Neither the participants nor the researchers know who receives treatment vs. placebo.

The other options — A) No one is involved, C) Only the participants are blind, D) Only the researchers are blind — are incorrect for this PCAT Exam Prep question. As explained above: Double-blind eliminates both participant and researcher bias about treatment allocation.

📚 About This PCAT Exam Prep Practice Question

This 1-level PCAT Exam Prep question from the Critical Reading topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free PCAT Exam Prep practice test or use flashcards for spaced repetition review.

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A double-blind study means:

✓ Correct Answer: Option B

📚 About This PCAT Exam Prep Practice Question

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