Definition of Efficacy. Meaning of Efficacy. Synonyms of Efficacy

Here you will find one or more explanations in English for the word Efficacy. Also in the bottom left of the page several parts of wikipedia pages related to the word Efficacy and, of course, Efficacy synonyms and on the right images related to the word Efficacy.

Definition of Efficacy

Efficacy
Efficacy Ef"fi*ca*cy, n. [L. efficacia, fr. efficax. See Efficacious.] Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer. ``Of noxious efficacy.' --Milton. Syn: Virtue; force; energy; potency; efficiency.

Meaning of Efficacy from 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...
- Vaccine efficacy is the percentage reduction of disease in a vaccinated group of people compared to an unvaccinated group, using the most favorable conditions...
- Luminous efficacy is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power, measured in lumens per watt...
- Self-efficacy is, according to psychologist Albert Bandura who originally proposed the concept, a personal judgment of how well or poorly a person is able...
- The efficacy of prayer has been studied since at least 1872, generally through experiments s****ing to ascertain whether intercessory prayer has a measurable...
- COVID-19. In Phase III trials, several COVID‑19 vaccines have demonstrated efficacy as high as 95% in preventing symptomatic COVID‑19 infections. As of April 2021[update]...
- In political science, political efficacy is the citizens' trust in their ability to change the government and belief that they can understand and influence...
- In the sociology of crime, the term collective efficacy refers to the ability of members of a community to control the behavior of individuals and groups...
- previously showed 50.7% efficacy at preventing symptomatic infections and 83.7% effective in preventing mild cases needing treatment. Efficacy against symptomatic...
- Self-Efficacy: The Exercise of Control is a psychology book written by Albert Bandura in 1997 on self-efficacy, i.e. a person's belief in their own competence...
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