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researcher

mastery

UK /ɹɪˈsɜː.t͡ʃə/ US /ˈɹiˌsɝ.t͡ʃɚ/noun

card 1 of 10 · context meaning

What does 'researcher' mean in this sentence?

Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. Researchers found that going to bed at a different time each night affected girls more than boys.