Study design: practice question

A PSM question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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PSM · Study design

Sample item

Best design for treatment efficacy is what?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Randomized controlled trial

This item reviews Study design; Randomized controlled trial is the best answer because it directly fits the forensic or public-health principle described.

Option by option

  • A. Case report

    Case report does not match the stated scenario.

  • B. Ecologic study

    Ecologic study is not supported by the key finding.

  • C. Randomized controlled trial (correct)

    Correct. Randomized controlled trial is supported by the defining principle.

  • D. Cross-sectional only

    Cross-sectional only is plausible but not the single best answer.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More PSM questions

Questions about this PSM question

What is the answer to this PSM question?

The best answer is C, Randomized controlled trial. This item reviews Study design; Randomized controlled trial is the best answer because it directly fits the forensic or public-health principle described.

Why is "Case report" not the answer?

Case report does not match the stated scenario.

Why is "Ecologic study" not the answer?

Ecologic study is not supported by the key finding.

Why is "Cross-sectional only" not the answer?

Cross-sectional only is plausible but not the single best answer.

What concept does this question test?

It tests Study design in PSM. The correct option holds because: Correct. Randomized controlled trial is supported by the defining principle.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Study design?

Practise biostatistics with small calculations until sensitivity, predictive values and risk measures are automatic. Then use the flashcards and the other PSM questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.