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English definition of “test group”

test group

noun [C]     MARKETING
a group of people who try a product or service to see how well it works, and whether they like it or would buy or use it: We always play the scripts for our ads to test groups of viewers before we finalize them. → Compare control group
a group of products that are tested and compared to each other: Every inkjet printer in our test group printed sharp text.
(Definition of test group noun from the Cambridge Business English Dictionary © Cambridge University Press)
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