Primary sources in research include:

A Textbooks

B Original documents, interviews, experiments, and first-hand accounts

C Encyclopedias

D Review articles

✓ Correct Answer: Option B

Primary sources are original, uninterpreted evidence: diaries, interviews, data, artifacts, photographs.

💡 Why is B) the correct answer?

The correct answer to the question "Primary sources in research include:" is Option B: Original documents, interviews, experiments, and first-hand accounts.

The other options — A) Textbooks, C) Encyclopedias, D) Review articles — are incorrect for this English question. As explained above: Primary sources are original, uninterpreted evidence: diaries, interviews, data, artifacts, photographs.

📚 About This English Practice Question

This 1-level English question from the Sentence Correction topic is part of One Paper Preparation'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 English practice test or use flashcards for spaced repetition review.

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Primary sources in research include:

✓ Correct Answer: Option B

📚 About This English Practice Question

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