Efficacy, effectiveness, efficiency
These terms sound very similar and are often used interchangeably in everyday conversations.
- Efficacy means getting stuff done. (Related question: Is it working?)
- Effectiveness means doing the right things. (Is it working well?)
- Efficiency means doing things right. (Is it working in the most economical way?)
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Effectiveness Vs Efficiency
- Effectiveness is goal orientation. It's picking something to do. This is doing the right things—picking a goal and doing that goal.
- Efficiency is doing things in an economical way, process-oriented.
Effectiveness: Doing the right things
Efficacy is not always enough. Medication that improves a patient's symptoms under ideal conditions is technically getting things done, but not always the right things.
Effectiveness in clinical trials is about how well a treatment works in the real world, not just in per...
Effectiveness
It is basically a polite word for getting things done. But the right kind of things.
Effective means "producing a result that is wanted". Efficient means "capable of producing desired results without wasting materials, time, or energy". The difference is that when ...
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