a one standard deviation difference

USAGE SUMMARY

The phrase "a one standard deviation difference" is correct and usable in written English.
It can be used in statistical contexts to describe a difference that is one standard deviation away from the mean in a data set. Example: "The results showed a one standard deviation difference between the two groups, indicating a significant variation in their performance."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

11 human-written examples

Test scores more strongly reduced the odds of unemployment by about 1.4 times (for a one standard deviation difference).

Journal for Labour Market Research

A one standard deviation difference in networks is associated with a higher quality of life equivalent to as much as 1.43 times their income.

IZA Journal of Migration

It displays the percentage differences in wages associated with a one standard deviation difference in Years of Education and a one standard deviation difference in literacy scores.6 For Years of Education, the percentage differences in wages range from about 8% (Sweden) to about 25% (Poland).

Large-scale Assessments in Education

A one standard deviation difference in negative attitudes towards immigration between the municipality of placement and the target municipality is associated with a lower quality of life equivalent to 18%% of the income.

IZA Journal of Migration

For comparisons of continuous variables, the study had at least 95% power to detect a one standard deviation difference in means between any of the three groups.

BMC Musculoskeletal Disorders

Sample size determination (at least 16 each Hispanic and Caucasian) was done to identify a one standard deviation difference in the change in bone mineralization between one week of age and three months of age by ethnicity.

BMC Pediatrics

Human-verified similar examples from authoritative sources

Similar Expressions

49 human-written examples

Percentage difference in percentage and absolute dense breast volume with a one-standard-deviation difference in mutually adjusted anthropometric and dual-energy X-ray absorptiometry (DXA) measures.

Breast Cancer Research

Percentage difference (%Diff) in absolute dense breast volume associated with a one-standard-deviation difference in anthropometric and dual-energy X-ray absorptiometry (DXA) body composition measures.

Breast Cancer Research

Percentage differences (%Diff) in percentage dense breast volume associated with a one-standard-deviation difference in anthropometric and dual-energy X-ray absorptiometry (DXA) body composition measures.

Breast Cancer Research

A one-standard-deviation increase in revenues increases pay by 0.4 standard deviations, implying far from a complete pass-through of fund revenues to managerial compensation.

Harvard University

A one standard deviation increase in abnormal return performance increases compensation by 0.04 standard-deviations; ten times less than a standard-deviation increase in revenue!

Harvard University

Expert writing Tips

Best practice

When reporting statistical results, clearly define the variables being compared and the context in which "a one standard deviation difference" is observed.

Common error

Avoid assuming that "a one standard deviation difference" automatically implies practical significance. While statistically notable, its real-world impact depends on the context and the specific field of study.

Linguistic Context

The phrase "a one standard deviation difference" functions as a statistical descriptor, quantifying the magnitude of the difference between two values in terms of standard deviation units. Ludwig confirms that this is appropriate, and examples show its use in scientific contexts.

Expression frequency: Uncommon

Frequent in

Science

75%

Academia

17%

News & Media

8%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "a one standard deviation difference" is a statistically significant descriptor, primarily used in scientific and academic contexts to quantify the magnitude of a difference between data points. According to Ludwig, the phrase is grammatically correct and frequently used. While the frequency is uncommon, its usage is essential in statistical analysis. To enhance clarity, define the variables being compared, but beware of overstating the practical significance solely based on statistical significance.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a difference of one standard deviation

Rephrases the query by placing 'difference' before 'one standard deviation'.

a standard deviation unit difference

Changes the order and uses 'unit' to emphasize the measurement.

a one SD difference

Uses the abbreviation 'SD' for standard deviation, making it shorter.

a difference equivalent to one standard deviation

Adds 'equivalent to' for emphasis on the magnitude of the difference.

a change of one standard deviation

Substitutes 'difference' with 'change' to highlight a shift.

a variation of one standard deviation

Replaces 'difference' with 'variation' to suggest a range of values.

a one standard deviation shift

Uses 'shift' to describe a movement from a baseline.

a disparity of one standard deviation

Replaces 'difference' with 'disparity' to emphasize inequality.

a deviation by one standard unit

Rephrases using deviation as main word.

a distance of one standard deviation

Uses 'distance' to express how far apart two values are.

FAQs

How is "a one standard deviation difference" typically used in research?

In research, "a one standard deviation difference" is often used as a benchmark to determine whether the difference between two groups or variables is statistically significant. It helps quantify the magnitude of the difference relative to the variability within the sample.

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

A "a one standard deviation difference" suggests that the two data points being compared are relatively far apart, given the typical spread of the data. In a normal distribution, approximately 68% of the data falls within one standard deviation of the mean.

Is there an alternative to saying "a one standard deviation difference"?

Yes, you could say "a difference of one standard deviation" or "a standard deviation unit difference" depending on the context.

How do I determine if "a one standard deviation difference" is meaningful?

The meaningfulness of "a one standard deviation difference" depends on the context of the study and the specific field. Consider the practical implications of the difference, the sample size, and whether the difference is clinically relevant or economically significant.