noun · academic

heterogeneity

UK/ˌhetərəʊdʒəˈniːəti/US/ˌhɛtərəroʊdʒəˈniːəti/het·e·ro·ge·NEE·i·ty

Band 7+task2task1speaking

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

heterogeneous adjectiveheterogeneously adverb

Common mistakes

the heterogeneous of the samplethe heterogeneity of the sample

diversity among studiesheterogeneity among studies

Say it for a higher band

5difference6variation7+heterogeneity

Synonyms

diversity

Easily confused

homogeneity

The heterogeneity of the participants complicated the pooled analysis.

Related words

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