a study power

USAGE SUMMARY

The phrase "a study power" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to the power or influence of a study, but as it stands, it lacks clarity and context. Example: "The study power of this research is significant in understanding the effects of climate change."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

To reject the null hypothesis (prevalence of 0.03% or less among the studied group) with a study power of 95% and a significance level of 0.05, a sample size of at least 113 asymptomatic men was needed; this was rounded up to 125.

BMJ Open

Therefore, huge cohorts have to be examined to achieve a study power high enough.

Molecular and Cellular Pediatrics

Based on our results and assuming a 30% reduction of the weaning time for the protocol group, a study power of 90% and α error of 0.05, 280 patients would be needed for a RCT to establish efficacy.

Annals of Intensive Care

Assuming an average follow-up duration of 2.5 years and an overall attrition rate of 25% (including 5% cumulative mortality rate), the sample size of 3000 drivers would generate a total of 5600 person-years of observation and ensure a study power of over 80% for detecting a risk ratio of 3.0 with adequate adjustment for age.

Injury Epidemiology

A sample size of 300, given PT of 1 × 10− 4 and 0.05, provides a study power of 80%, however, by using the genome-wide PT (5 × 10− 8) a sample size of more than 800 samples is needed, assuming a migraine prevalence of 0.2.

The Journal of Headache and Pain

Based on the data obtained in our study, a power calculation indicated that eleven cases in each group would be required to assess time to union of the arthrodesis and five cases in each group to assess time to graft integration with a study power of 80% at a significance level of 5%.

Journal of Experimental Orthopaedics

Human-verified similar examples from authoritative sources

Similar Expressions

24 human-written examples

The rarity of serious or fatal complications makes a study powered to detect a significant difference in this regard impractical.

Critical Care

Yet, as the authors point out, a study powered for these endpoints would require several hundred patients per arm.

Critical Care

A composite endpoint of death and major complications was chosen because a study powered to demonstrate a clinically relevant difference in death alone would require an unrealistic large sample size of over 2000 patients.

BMC Gastroenterology

Volmanen and colleagues limited the observation period to only one hour after the start of pain relief, 5 while Douma and colleagues recorded pain relief scores as a secondary outcome in a study powered to investigate difference in pain scores.

British Medical Journal

They concluded that HFOV is at least safe in adults and found an unsustained initial improvement in oxygenation, but what we really need is a study powered to show differences in outcome.

Critical Care

Expert writing Tips

Best practice

When referring to the statistical power of a study, use the more standard phrase "statistical power of the study" or "the study's power" for clarity and precision.

Common error

Avoid using "a study power" if you mean the statistical power of the study. "Power" in this context refers to the probability that the study will detect a statistically significant difference when one exists. Stick to standard statistical terminology.

Linguistic Context

The phrase, while grammatically questionable, attempts to function as a noun phrase referring to the statistical power associated with a research study. Ludwig AI indicates this usage deviates from standard grammatical conventions. The more common and precise term would be "statistical power" or "study's power".

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, while the phrase "a study power" appears in various scientific publications, Ludwig AI marks it as grammatically incorrect. It's used to refer to the statistical power of a study, indicating its ability to detect a true effect. However, standard phrasing such as "statistical power of the study" or "the study's power" is recommended for clarity and precision. Predominantly found in scientific contexts, the phrase requires careful usage to avoid misinterpretation. Correct statistical terminology enhances the credibility and understanding of research communications.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

statistical power of the study

Replaces the article and simplifies the noun construction for clarity.

power of the research study

Emphasizes research and inverts the noun order.

study's statistical power

Uses a possessive form to indicate the study's power.

the power to detect an effect in the study

Focuses on the capability to detect an effect.

ability of the study to detect a significant effect

Highlights the study's capability to find significance.

likelihood of finding a significant result in the study

Emphasizes the probability of a significant outcome.

test's power

Focuses on the statistical power of the test employed in the study.

statistical sensitivity of the study

Uses an alternative term 'sensitivity' to describe power.

capacity of the study to show an effect

Focuses on study's potential to display an effect.

study's ability to avoid a type II error

Specifies the avoidance of a Type II error, which is linked to power.

FAQs

What does "statistical power" refer to in research?

In research, "statistical power" refers to the probability that a study will detect a statistically significant difference when one truly exists. It's related to the risk of a Type II error (false negative).

How can I improve the statistical power of my study?

You can increase the statistical power of your study by increasing the sample size, reducing measurement error, or increasing the effect size. A power analysis can help determine the appropriate sample size.

What is an alternative to saying "a study power"?

Instead of saying "a study power", it's more accurate to say the "statistical power of the study" or "the study's power". This specifies that you're referring to statistical power, a key concept in hypothesis testing.

Why is statistical power important in research?

Statistical power is crucial because it affects the likelihood of finding true effects. Studies with low power may fail to detect real differences, leading to wasted resources and incorrect conclusions. High power ensures a better chance of observing meaningful results if they exist.