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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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significant significance

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "significant significance" is not correct in written English.
It is an example of tautology, which occurs when two words with the same meaning are used together. For example, a wrong sentence would be "I am of the significant significance that this policy should be changed". A better way to say this would be "I strongly believe that this policy should be changed".

⚠ May contain grammatical issues

Human-verified examples from authoritative sources

Exact Expressions

14 human-written examples

This difference was statistically significant (significance level α = 0.05) for 13 of 18 pairwise comparisons.

The chart shows interesting transformations that are both statistically significant (significance level >2, p-value <0.01) and effective (mean toxicity change at least one log unit).

The chart shows interesting transformations that are both statistically significant (significance level >2, p-value <0.01) and effective (ratio of deactivated molecules at least 55%).

The result of Bartlett test of sphericity shows that it is highly significant (significance = 0.000), which indicates that the factor analysis is correct and suitable for testing multi-dimensionality. Therefore, the above statistical tests have confirmed that the proposed 22 items and 7 dimensions of instruments as listed in Table 3 are sound enough for the further analysis.

We first performed homogeneity of slopes analyses, and whenever the factor × covariate interaction was not significant (significance level set at P<0.01 due to large sample sizes), it was deleted from the model.

Science

Plosone

Abbreviations: NA Not Applicable, NS Non Significant (significance level below 0.05).

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Human-verified similar examples from authoritative sources

Similar Expressions

46 human-written examples

Significance at the 5% chromosome-wide (CW) level was considered suggestive, 1% CW was considered significant and significance at the 5% genome-wide (GW) level as highly significant.

Marcario argued that the dredging scheme – which is yet to be given the go ahead – could "fundamentally damage a region of internationally significant ecological significance", namely the Great Barrier Reef marine park.

News & Media

The Guardian

This difference was not statistically significant (0.648, significance level 0.05).

Most of the tests have statistically significant results (significance level of 0.01).

All parameters β 0, β 1, β 2 and β 3 that were significant at significance level 0.10 were included in the final models.

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Expert writing Tips

Best practice

Avoid using redundant phrases like "significant significance". Choose a single word or phrase that accurately conveys the intended meaning, such as "importance" or "significance".

Common error

Using both "significant" and "significance" together adds unnecessary words and weakens your writing. Select one or the other to create a clearer and more impactful message.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

60%

Authority and reliability

1.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "significant significance" functions as a redundant expression. Ludwig AI identifies this as incorrect because it combines an adjective and a noun with nearly identical meanings, resulting in tautology. There are no examples found, confirming the phrase's lack of proper usage.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

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Less common in

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Ludwig's WRAP-UP

In summary, the phrase "significant significance" is grammatically incorrect due to its redundant nature. As Ludwig AI points out, it's a tautology that doesn't enhance meaning but rather detracts from clarity. Because the phrase has no correct usage and no examples have been found, it's best to choose concise alternatives such as "importance", "significance", or phrases like "considerable importance" to effectively convey your message.

FAQs

How can I avoid using tautologies like "significant significance"?

Identify the core meaning you want to convey and use only the most effective word or phrase. For example, instead of "significant significance", simply use "significance" or "importance".

What are some alternatives to "significant significance" that still emphasize importance?

Consider phrases like "considerable importance", "substantial importance", or "great importance" to convey a high degree of importance without being redundant.

Is it ever correct to use "significant significance" in writing?

Generally, no. The phrase is considered redundant. Aim for concise and clear language by using either "significant" or "significance", but not both together.

What's the difference between saying "significant" and using "significant significance"?

Saying something is "significant" already implies importance or consequence. Adding "significance" after it doesn't add any new meaning; it only makes the phrase longer and less effective. It is considered a tautology.

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Most frequent sentences: