substantiate a claim

Meaning

This formal academic phrase means to provide evidence, facts, or proof to support an argument, assertion, or hypothesis. In academic writing, you cannot simply make statements; you must substantiate them using credible sources, data, or logical reasoning.

Examples

• You need to cite reliable sources to substantiate a claim in your research paper.

  You need to cite reliable sources to substantiate a claim in your research paper.

• The researcher was unable to substantiate his claim with reproducible experimental data.

  The researcher was unable to substantiate his claim with reproducible experimental data.

• Without historical documents, it is very difficult to substantiate a claim about medieval trade routes.

  Without historical documents, it is very difficult to substantiate a claim about medieval trade routes.

• The peer reviewers rejected the article because the authors failed to substantiate their claims.

  The peer reviewers rejected the article because the authors failed to substantiate their claims.

• To substantiate a claim of this magnitude, we will need to conduct a large-scale demographic study.

  To substantiate a claim of this magnitude, we will need to conduct a large-scale demographic study.

Common Mistakes

• ✗ You must substantiate your opinion with feelings.

  ✓ You must substantiate your claim with empirical evidence.

  To 'substantiate' requires objective facts, data, or credible evidence, not subjective feelings or personal opinions.

• ✗ He tried to prove his claim, but he couldn't substantiate it.

  ✓ He made a claim, but he couldn't substantiate it.

  'Substantiate' and 'prove' are very close in meaning. Saying 'prove his claim, but couldn't substantiate it' is redundant. Use 'substantiate a claim' to describe the act of proving or backing it up.

Related Expressions

Practice

• In your literature review, make sure you use peer-reviewed articles to ___.

  💡 Provide evidence to support an assertion.

  Show answer

  substantiate a claim

• The scientist had to present raw data to ___ that the new drug was effective.

  💡 Back up an assertion with proof.

  Show answer

  substantiate a claim