expand the sample size vs expand sample sizes

Both phrases are correct, but they are used in different contexts. 'Expand the sample size' is used when referring to increasing the size of a single sample, while 'expand sample sizes' is used when talking about increasing the sizes of multiple samples.

Last updated: March 21, 2024 • 1989 views

expand the sample size

This phrase is correct and commonly used when referring to increasing the size of a single sample in research or data analysis.

This phrase is used when you want to emphasize the need to increase the number of observations or data points in a particular sample to improve the accuracy of the results.

Examples:

To ensure the reliability of the study, we need to expand the sample size.
Researchers decided to expand the sample size to get more representative results.

Show examples from the web [+]

regression model with binary covariates. The usage of the VIF to expand the sample size calculation from one covariate to more than one covariate appears very ...
... to find a significant difference), with an effect size of 0.5 and P of <.05, the power will be too low unless you expand the sample size to approximately N = 60 in ...
Sep 8, 2009 ... From the menu on the left side, expand the Sample Size folder or the Power folder. Select from Proportion, Unmatched Case-Control, ...
With increased funds to expand the sample size, there would be the opportunity to collect more meaningful information about different racial and ethnic groups in ...

Alternatives:

increase the sample size
enlarge the sample size
augment the sample size
boost the sample size
grow the sample size

expand sample sizes

This phrase is correct and commonly used when referring to increasing the sizes of multiple samples in research or data analysis.

This phrase is used when you want to highlight the need to increase the sizes of various samples to ensure a more comprehensive analysis or comparison.

Examples:

In order to draw more robust conclusions, we should expand sample sizes across different demographics.
The study aims to expand sample sizes to cover a wider range of scenarios.

Show examples from the web [+]

Mar 25, 2015 ... ... target groups, and the potential for duplicated respondents as research providers broaden their sources to expand sample sizes.
surveys to expand sample sizes. By applying matching techniques and imputing outcomes into a larger sample, impacts were non-negligible. Double-difference ...
Future effectiveness and comparative effectiveness studies should aim to decrease risk of bias in individual studies and to expand sample sizes. Given the ...
Expand sample sizes, run replication studies, examine cohort effects, and assess possible differences due to geographical location or population by using ...

Alternatives:

increase sample sizes
enlarge sample sizes
augment sample sizes
boost sample sizes
grow sample sizes

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expand the sample size vs expand sample sizes