collocation · academic
sample size
/ˈsæmpəl saɪz/SAM·ple SIZE
Band 4-5task2task1
the number of subjects or units included in a study
Examples
“The sample size of the survey was only fifty, which limited its reliability.”
“Increasing the sample size improves the study's statistical power.”
“We calculated the required sample size before collecting data.”
Band 8 sentence
“A properly justified sample size is essential for credible empirical research.”
Collocations
- small sample size
- increase sample size
Word family
sample nounsize noun
Common mistakes
sample's size→sample size
the sample sizes was too small→the sample size was too small
Say it for a higher band
5sample's size→6number of participants→7+sample size
Synonyms
number of participants
Easily confused
number of participants
“The number of participants in the trial was fewer than expected.”
Related words
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In Science & Research
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