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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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jointly significant

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "jointly significant" is correct and usable in written English.
You can use it to describe something that has both individual and collective importance. For example, "The recent election was jointly significant because it had a major impact on both the national and local levels."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Note that although the variables PRODUCTBUND and INDICATN have unexpected signs and individually they may not always reach statistical significance, they are jointly significant in the presence of the other explanatory variables in model C.

Multinomial attributes coded as sets of dummy variables were retained or excluded on the basis of joint significance, with each level of a jointly significant set of dummies retained regardless of individual significance.

When additional sociodemographics variables are added, risk game choices are jointly significant for most specifications with marginal joint significance showing when education is controlled for (column 3).

Moreover, while in the top tercile, we note a negative effect in panel C, the test of significance of the LE and LA estimates is not jointly significant.

The evidence shows that these instruments were not jointly significant in the main equation for migration flows at the conventional significance levels.

Science

SERIEs

The cutoff points are jointly significant at 1% level.

However, unlike whites, β (t − y),g are jointly significant for both black men and women.

All individual characteristics are jointly significant, which is consistent with the results of our primary analysis.

The coefficients are jointly significant in all equations and adjusted (R^{2}) is approximately 23%%.

Science

SERIEs

Moreover, the test for weak instruments reveals that they are jointly significant in the probit specification.

Science

SERIEs

Dummy variables of industry fixed effect are jointly significant, indicating that individual-specific industry experiences matter for entrepreneurship.

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Expert writing Tips

Best practice

When reporting statistical findings, clearly state the test used (e.g., F-test, Wald test) to determine that the variables are "jointly significant". This adds credibility and allows readers to verify your results.

Common error

Avoid the mistake of assuming that because a group of variables is "jointly significant", each individual variable within that group is also significant. Individual variables may not reach statistical significance on their own but contribute to the overall significance when considered together.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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Real-world application tested

Linguistic Context

The phrase "jointly significant" functions as an adjective phrase modifying a noun (e.g., variables, coefficients, effects). It is used to describe a group of variables or parameters that, when considered together, demonstrate statistical significance, even if individual components might not. Ludwig confirms this usage.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

The phrase "jointly significant" is a statistically valid and "correct" term, as confirmed by Ludwig. It's used to describe a set of variables that, when considered together, have a statistically significant effect, even if individual variables aren't significant on their own. Predominantly found in scientific and academic contexts, it's crucial to specify the statistical test used and avoid assuming individual significance from joint significance. As Ludwig's examples show, it provides a clear and concise way to communicate that combined factors are important in understanding a particular outcome.

FAQs

How is "jointly significant" used in statistical analysis?

In statistical analysis, "jointly significant" indicates that a group of variables, when considered together, has a statistically significant impact on the outcome, even if individual variables within the group may not be significant on their own. It is often assessed using tests like the F-test or Wald test.

What does it mean if variables are not "jointly significant"?

If variables are not "jointly significant", it suggests that the group of variables, as a whole, does not have a statistically significant impact on the outcome being studied. This might mean that the variables are irrelevant or that their combined effect is negligible.

When should I use "jointly significant" instead of "individually significant"?

Use "jointly significant" when you want to emphasize that the combined effect of multiple variables is important, even if the individual effects are not. Use "individually significant" when you want to highlight that each variable, on its own, has a statistically significant impact. Sometimes, you might find alternatives like "statistically significant" to describe the effects.

What are some statistical tests used to determine if variables are "jointly significant"?

Common statistical tests used to determine if variables are "jointly significant" include the F-test, the Wald test, and likelihood ratio tests. These tests assess whether the group of variables, as a whole, contributes significantly to the model's explanatory power. The Chi-squared test is also related to this concept.

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