Study designs: 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 designs

Sample item

What design measures exposure and outcome at one point in time?

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

The answer and the reasoning

B. Cross-sectional study

This Study designs item is answered by Cross-sectional study, which directly follows the principle relevant to the observation, documentation, or public-health action described.

Option by option

  • A. Randomized trial

    Randomized trial does not establish the requested study designs conclusion.

  • B. Cross-sectional study (correct)

    Correct. Cross-sectional study most directly matches the defining clue in this item.

  • C. Prospective cohort

    Prospective cohort may be associated with another setting but is not the best fit here.

  • D. Case series only

    Case series only does not explain the stated finding or appropriate intervention.

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 B, Cross-sectional study. This Study designs item is answered by Cross-sectional study, which directly follows the principle relevant to the observation, documentation, or public-health action described.

Why is "Randomized trial" not the answer?

Randomized trial does not establish the requested study designs conclusion.

Why is "Prospective cohort" not the answer?

Prospective cohort may be associated with another setting but is not the best fit here.

Why is "Case series only" not the answer?

Case series only does not explain the stated finding or appropriate intervention.

What concept does this question test?

It tests Study designs in PSM. The correct option holds because: Correct. Cross-sectional study most directly matches the defining clue in this item.

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 designs?

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.