a definitive test

USAGE SUMMARY

The phrase "a definitive test" is correct and usable in written English.
It can be used when referring to a test that provides a clear and conclusive result or determination regarding a particular subject or condition. Example: "The researchers conducted a definitive test to determine the effectiveness of the new drug."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

50 human-written examples

And because controlled experiments to test policy prescriptions are impossible, we will never have a definitive test of macroeconomic measures.

The Guardian - Business

Fear underpins a definitive test of nerve in which the consequences of failure do not bear thinking about.

Independent

3218, 177 L.Ed.2d 792, which clarified that the "machine or transformation test" is not a definitive test of patent eligibility, but only an important and useful clue.

Harvard University

For Messi and Cristiano Ronaldo, the most glittering of stars in a match featuring 11 world champions, there was a sense of this being a definitive test.

The Guardian - Sport

While the lack of cosmic low notes is suggestive, cosmologists say there is a definitive test of finite universes in the Wilkinson map.

The New York Times - Science

We do not need state-owned forests for this: good things happen without the state, and the outcome will be a definitive test of whether talk of the "big society" amounts to more than letting the market rip.

The Guardian - Opinion

Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

While by no means a definitive testing grounds, the Swedish hinterlands turn out to be reasonably manageable for a car such as the R – so much so that to hope for more handling and performance from a hatchback seems like folly.

BBC

One possibility for the near future is that a relatively inexpensive and simple blood test could be used to screen large numbers of people, and then those with positive results could be given a more definitive test such as a PET scan or spinal tap.

University of California, Berkeley

Thus, in a setting with very low prevalence of MDR-TB, an Xpert result indicating rifampicin resistance should prompt confirmation by a more definitive test.

Cochrane Database of Systematic Reviews

Two preliminary tests had come back negative and a third definitive test seemed to suggest that the powder was benign.

The New York Times

Tests for radioactive and chemical substances were negative, and results from a more definitive test for anthrax DNA by state and federal labs were expected over the weekend.

The New York Times

Expert writing Tips

Best practice

When using "a definitive test", ensure that the context clearly indicates what the test is designed to definitively prove or disprove. For clarity, specify the criteria that would constitute a successful or conclusive outcome.

Common error

Avoid presenting a test as "a definitive test" if the results are still open to interpretation or further investigation is needed. Ensure the evidence genuinely supports a conclusive determination.

Linguistic Context

The phrase "a definitive test" functions as a noun phrase, where "definitive" modifies "test". It indicates a specific kind of test designed to provide a clear and conclusive result. As Ludwig AI states, this is correct and usable English.

Expression frequency: Very common

Frequent in

Science

47%

News & Media

35%

Academia

13%

Less common in

Wiki

3%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a definitive test" is a grammatically sound and commonly used expression that signifies a test designed to produce a clear and conclusive result. Ludwig AI confirms its correctness and usability. It is frequently employed in scientific, news-related, and academic contexts, reflecting its versatility across different domains. When using the phrase, clarity is key, ensuring the context explicitly states the test's purpose and the criteria for a successful outcome. Potential writing pitfalls include overstating a test's conclusiveness if its results remain open to interpretation. Alternatives include "a conclusive examination" or "a decisive assessment". Key sources include The Guardian, The New York Times and BBC, underscoring the phrase's broad acceptance.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a conclusive examination

Replaces "test" with "examination", implying a thorough investigation leading to a firm conclusion.

a decisive assessment

Substitutes "test" with "assessment", highlighting the judgment aspect of the evaluation.

a final evaluation

Emphasizes the terminal nature of the evaluation, suggesting that no further testing is needed.

an ultimate validation

Replaces "test" with "validation", focusing on confirming the truth or accuracy of something.

a critical experiment

Highlights the importance of the experiment in providing a clear result.

a rigorous verification

Emphasizes the thoroughness and strictness of the verification process.

a telling analysis

Implies that the analysis reveals significant information.

a yardstick

A standard used for comparison.

the gold standard

Highlights an acknowledged benchmark of measurement or evaluation.

the acid test

Highlights the challenging aspects of the experiment in providing a clear result.

FAQs

How can I use "a definitive test" in a sentence?

You can use "a definitive test" to describe a test that provides a clear and conclusive answer to a specific question. For instance, "The study aimed to provide "a definitive test" of the new drug's efficacy".

What's the difference between "a definitive test" and "a preliminary test"?

"A definitive test" provides a conclusive result, while "a preliminary test" is an initial assessment that may require further confirmation. A preliminary test is not "a definitive test".

What are some alternatives to using the phrase "a definitive test"?

Depending on the context, you could use alternatives such as "a conclusive examination", "a decisive assessment", or "a final evaluation".

When is it appropriate to use the phrase "a definitive test"?

It's appropriate to use "a definitive test" when the test is designed to provide a clear and final answer, and the results are expected to be conclusive and leave little room for doubt. If the test has to be confirmed then it is not "a definitive test".