noun · academic
heterogeneity
UK/ˌhetərəʊdʒəˈniːəti/US/ˌhɛtərəroʊdʒəˈniːəti/het·e·ro·ge·NEE·i·ty
the presence of differences or diversity within a group, sample, or between studies
Examples
“High heterogeneity among trials made it hard to combine their results.”
“We tested for heterogeneity before performing the meta-analysis.”
“Patient heterogeneity requires subgroup analyses.”
Band 8 sentence
“Because of substantial heterogeneity across trials, we used a random-effects model in the meta-analysis.”
Collocations
- between-study heterogeneity
- high heterogeneity
- heterogeneity in the sample
Word family
Common mistakes
the heterogeneous of the sample→the heterogeneity of the sample
diversity among studies→heterogeneity among studies
Say it for a higher band
5difference→6variation→7+heterogeneity
Synonyms
diversity
Easily confused
homogeneity
“The heterogeneity of the participants complicated the pooled analysis.”
Related words
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