a selected proportion of

USAGE SUMMARY

The phrase "a selected proportion of" is correct and usable in written English.
It can be used when referring to a specific, chosen fraction or percentage of a larger group or quantity. Example: "In the study, a selected proportion of participants reported experiencing significant improvements in their symptoms."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

For example, for a selected proportion of 5%, the Bulmer effect reduces response to GS by 1 − 1 / 1.86 = 27%, irrespective of the initial accuracy of genomic EBV.

Genetics, Selection, Evolution

There were five generations of selection with four replicates, and a selected proportion of 20%.

Genetics, Selection, Evolution

With a selected proportion of 5%, for example, response to mass selection is reduced by only 7% when h = 0.10 but by 21% when h = 0.50 (Table  1).

Genetics, Selection, Evolution

With a selected proportion of 5%, the Bulmer effect always reduced response by 27% in GS schemes, irrespective of the accuracy.

Genetics, Selection, Evolution

With a selected proportion of 25% (using the scale HAM-Nat-BPC) the net gain of successfully completed study episodes over the base rate is expected to rise from 70.1%to83.1%1%.

BMC Medical Education

There is a need for experiments that will include all CpG sites in the genome and that will shed light on the true epigenetic status of a cell instead of a selected proportion of the genome.

BioMed Research International

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

Further an effort has been made to establish the selected proportions of filler, matrix (Nylon-6) and extrusion load on the MFI of reinforced FDM filament as per ASTM-D1238-95 standard.

Composites Part B: Engineering

Finally, GPs were self-selected and represented a small proportion of the 400-strong membership of the Northern and North West Melbourne Divisions of General Practice.

BMC Family Practice

In practice, the score will be more useful in less selected patient populations, when a substantial proportion of suspects can be assigned to the high or low PTB probability categories.

Plosone

The L. bicolor genome encodes fewer transporters than does aspen in the selected analysis set but a larger proportion of the transporter genes is expressed.

BMC Systems Biology

The matrix of residual correlations produced by this selected item set contained a proportion of 5.1% coefficients larger than rres = |.20|.

BMC Medical Education

Expert writing Tips

Best practice

Quantify the proportion with specific numbers or percentages whenever possible to provide more precise information.

Common error

Avoid implying the proportion is representative of the entire population if the selection process introduces bias. Clearly define the base population from which the selection was made.

Linguistic Context

The phrase "a selected proportion of" functions as a prepositional modifier, specifying a particular quantity or fraction that has been chosen according to some criteria. Ludwig's examples showcase its use across various scientific and academic contexts.

Expression frequency: Uncommon

Frequent in

Science

50%

Academia

30%

News & Media

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "a selected proportion of" is a phrase used to indicate that a particular fraction of a group or quantity has been deliberately chosen. As Ludwig AI confirms, the phrase is grammatically correct and frequently appears in formal, particularly scientific and academic writing. While not as common as simpler alternatives like "a specific percentage of", using this phrase effectively involves clearly defining the selection criteria and the base population. By avoiding common mistakes, such as implying universal representation from biased samples, you can enhance the clarity and precision of your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a specific percentage of

Replaces "proportion" with the more precise term "percentage", indicating a numerical fraction out of one hundred.

a chosen fraction of

Substitutes "proportion" with "fraction", highlighting that the amount is part of a whole.

a particular segment of

Uses "segment" to emphasize that the selected amount forms a distinct section of the whole.

a designated share of

Replaces "proportion" with "share", implying allocation or allotment.

a certain quantity of

Uses "quantity" to focus on the amount, without necessarily implying a part-to-whole relationship.

a representative sample of

Emphasizes that the selected amount accurately reflects the characteristics of the whole.

an extracted portion of

Highlights the act of taking out a part from a larger entity.

a curated selection of

Suggests a careful and deliberate choice of a specific set of items or elements.

a handpicked segment of

Emphasizes the deliberate and careful choice that was performed in selecting the piece.

a finite amount of

Stresses that the selected portion is limited and measurable.

FAQs

How can I effectively use "a selected proportion of" in a sentence?

Begin by identifying the total group or quantity, then clearly state the criteria used for selecting the proportion. For instance, "A selected proportion of participants with high blood pressure were given the new medication."

What are some alternatives to "a selected proportion of"?

Depending on the context, you could use phrases like "a specific percentage of", "a certain quantity of", or "a designated share of".

Is it better to say "a selected proportion of" or "a specific proportion of"?

Both are grammatically correct, but "a specific proportion of" might be more direct and easier to understand. "Selected" implies a choice has been made, which may be redundant if the context already makes that clear.

How does "a selected proportion of" differ from "a random proportion of"?

"A selected proportion of" indicates a deliberate choice based on certain criteria, whereas "a random proportion of" means the selection was made without any specific pattern or reason.