An author claims that a new drug is "as effective as" the standard treatment. This claim is weakened by:

A A large sample size

B Lack of a control group or insufficient sample size

C Double blinding

D Randomization

✓ Correct Answer: Option B

Without proper controls and adequate sample size, claims of equivalence cannot be supported.

💡 Why is B) the correct answer?

The correct answer to the question "An author claims that a new drug is "as effective as" the standard treatment. This claim is weakened by:" is Option B: Lack of a control group or insufficient sample size.

The other options — A) A large sample size, C) Double blinding, D) Randomization — are incorrect for this PCAT Exam Prep question. As explained above: Without proper controls and adequate sample size, claims of equivalence cannot be supported.

📚 About This PCAT Exam Prep Practice Question

This 2-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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An author claims that a new drug is "as effective as" the standard treatment. This claim is weakened by:

✓ Correct Answer: Option B

📚 About This PCAT Exam Prep Practice Question

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