Choose the sentence containing no errors in word usage or diction:
Answer and explanation
Correct answer: C. The laboratory director cited three peer-reviewed studies to ensure that the protocol was safe.
- Step 1: 'Cite' means to quote or refer to as evidence; 'site' is a physical location; 'sight' is visual perception.
- Step 2: 'Ensure' means to make certain that something happens; 'insure' relates to financial insurance policies; 'assure' means to tell someone something positively to dispel doubt (requires a personal object).
- Step 3: Therefore, 'cited three studies to ensure that...' uses each term with perfect precision.
Answer
The laboratory director cited three peer-reviewed studies to ensure that the protocol was safe.
Why not the others: 'sited', 'sighted', and 'assure' confuse homophones ('sited', 'sighted') or conflate 'ensure' with 'insure' or 'assure'.
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