a one standard deviation reduction

USAGE SUMMARY

The phrase "a one standard deviation reduction" is correct and usable in written English.
It can be used in statistical contexts to describe a decrease in a variable that is equivalent to one standard deviation from the mean. Example: "The new policy resulted in a one standard deviation reduction in average response times."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Reviewing the results for Model 3, we see that the impact on the log odds of a one standard deviation reduction in Cognitive Skills is typically about one-fifth to one-third as large as the shift from the highest to the lowest category of Educational Attainment.

Large-scale Assessments in Education

Conditional on the rest of covariates, a one standard deviation reduction in the financial constraints faced by local firms (meaning that the percentage of financially constrained firms is reduced in 19.6 % points) is associated to a 3.5%% points decrease in the share of labor allocated to small firms.

SERIEs

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

6 For every one standard deviation reduction in vertebral bone mineral density, there is a two-fold increased risk of vertebral fracture.

HIV/AIDS - Research and Palliative Care

This means that the mortality risk rose by more than 30% for every one standard deviation reduction in IQ.

British Medical Journal

In terms of standard deviations, the reduction of a one standard deviation increase in program coverage implies roughly a one percentage point (or slightly less than 10%%) reduction in miscarriages.

Latin American Economic Review

Additionally, a one standard deviation increase temperature leads to 0.216 standard deviations decrease in moderate stunting.

BMC Public Health

We find that a one standard deviation increase in exit rates is associated with reductions of 1.5% in the share of firms investing in innovation.

Research Policy

The effects are again small: a one standard deviation increase in height is associated with 0.06 0.07 standard deviations decrease in emotional problems.

European Economic Review

A one standard deviation increase in birth weight was associated with an 18% reduction in the risk of definite psychosis-like symptoms after adjusting for age and gestation (Odds ratio (OR) = 0.82, 95% CI = 0.73 0.92, P = 0.001).

British Journal of Psychiatry

There was an 18% reduction in the odds of psychosis-like symptoms in relation to a one standard deviation increase in birth weight in models controlling for age and gestation (OR = 0.82, 95% CI 0.73 0.92, P = 0.001).

British Journal of Psychiatry

A one standard deviation increase in leverage reduces the probability of entrepreneurship by 10 20 percent.

Journal of Urban Economics

Expert writing Tips

Best practice

When reporting statistical results, clearly define what a "one standard deviation reduction" represents in the context of your specific data. This helps readers understand the practical significance of the finding.

Common error

Avoid assuming that "a one standard deviation reduction" is inherently 'good' or 'bad'. Its impact depends entirely on the context and the nature of the variable being measured. Consider the specific implications within your field of study.

Linguistic Context

The phrase "a one standard deviation reduction" functions as a noun phrase that describes a quantifiable decrease in a variable, typically used in statistical or analytical contexts. Ludwig examples illustrate its use in describing impacts on log odds, labor allocation, and various health outcomes.

Expression frequency: Common

Frequent in

Science

85%

News & Media

10%

Formal & Business

5%

Less common in

Wiki

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "a one standard deviation reduction" is a statistically sound and relatively common way to express a decrease in a variable by one standard deviation. As Ludwig AI confirms, this phrase is correct and frequently appears in scientific and technical writing. While it is primarily used in formal contexts, understanding its practical implications is essential for accurately interpreting research findings. Remember to clearly define the variable and its context when using this phrase to ensure clarity and avoid misinterpretations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

decrease of one standard deviation

Replaces "reduction" with the more general term "decrease".

one standard deviation decrease

Rearranges the phrase to place "decrease" earlier.

reduction by one standard deviation

Specifies that the reduction is 'by' one standard deviation, adding slight emphasis.

a decrease equivalent to one standard deviation

Emphasizes the equivalence of the decrease to one standard deviation.

one SD reduction

Uses the abbreviation "SD" for standard deviation, making it more concise.

a drop of one standard deviation

Substitutes "reduction" with "drop", implying a sudden decrease.

decline of one standard deviation

Replaces "reduction" with "decline", suggesting a more gradual decrease.

a lessening of one standard deviation

Uses "lessening" instead of "reduction", implying a mitigation.

one standard deviation less

Simplifies the phrase to indicate a value one standard deviation below the mean.

a contraction of one standard deviation

Replaces "reduction" with "contraction", implying a reduction in size or scale.

FAQs

How is "a one standard deviation reduction" used in research?

In research, "a one standard deviation reduction" typically refers to a decrease in a variable's value by an amount equal to its standard deviation, often used to quantify the effect of an intervention or predictor.

What does "a one standard deviation reduction" imply about the data distribution?

A "one standard deviation reduction" indicates that a data point or group of data points has shifted lower by an amount that is characteristic of the data's spread. This can be a meaningful change relative to the overall distribution.

What can I say instead of "a one standard deviation reduction"?

You can use alternatives like "decrease of one standard deviation", "reduction by one standard deviation", or "one standard deviation decrease", depending on the desired emphasis.

Is there a difference between "a one standard deviation reduction" and "a significant reduction"?

"A one standard deviation reduction" is a specific statistical measure, while "a significant reduction" implies statistical significance, often determined through hypothesis testing. A one standard deviation reduction might or might not be statistically significant.