Efficacy - Wikipedia Efficacy is the ability to perform a task to a satisfactory or expected degree The word comes from the same roots as effectiveness, and it has often been used synonymously, although in pharmacology a distinction is now often made between efficacy and effectiveness
Efficacy - definition of efficacy by The Free Dictionary efficacy noun effectiveness, efficiency, power, value, success, strength, virtue, vigour, use, usefulness, potency, fruitfulness, productiveness, efficaciousness Recent medical studies confirm the efficacy of a healthier lifestyle
efficacy - Wiktionary, the free dictionary Efficacy refers to the beneficial effects of a program or policy under optimal conditions of delivery, whereas effectiveness refers to effects of a program or policy under more real-world conditions
What does Efficacy mean? - Definitions. net Efficacy refers to the ability or effectiveness of a product, treatment, or intervention to produce the desired or intended result or outcome under controlled or ideal conditions