effectiveness

noun C1

Meaning

The degree to which a particular action, intervention, or strategy successfully achieves its intended outcomes or objectives, often evaluated in terms of measurable results and overall impact within a specific context.
💡 While "effectiveness" is often used interchangeably with "efficiency," the former focuses on achieving desired results, whereas the latter emphasizes resource utilization; thus, one can be effective without being efficient.

Example Sentences

The effectiveness of the new method was proven through rigorous testing .
The effectiveness of the new policy will be evaluated next month .
The effectiveness of the new policy will be reviewed next month .
The effectiveness of the new strategy improved our sales significantly .

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