B2nounacademicwork
US/ɪˈfek.tɪv.nəs/
UK/ɪˈfek.tɪv.nəs/
how well something works or produces the result that was wanted
In context
Researchers are testing the effectiveness of the new vaccine in older adults.
Some teachers doubt the effectiveness of homework for young children.
We measured the effectiveness of the ads by counting new customers.
Words that go with effectiveness
noun + preposition
- effectiveness ofThe study looks at the effectiveness of online learning.
verb + noun
- improve effectivenessTraining can improve the effectiveness of managers.
- measure effectivenessIt is hard to measure the effectiveness of a campaign.
noun + noun
- cost effectivenessThe council is reviewing the cost effectiveness of the bus service.
adjective + noun
- overall effectivenessThe overall effectiveness of the policy is still unclear.