rigor

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An important part of research or investigation.

When we talk about rigor, we usually mean being very careful and thorough in our work. This can apply to scientists who are testing hypotheses or students writing a research paper. A project that shows rigor will have all its facts checked multiple times and all its arguments well-supported with evidence.

How common is "rigor"?

Word rigor is considered rare in modern English.
It has a balanced usage among all categories: speech, fiction, newspapers and academic texts.
Definitions

noun

  • US spelling of rigour.

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