- 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.
Meaning of 'efficacy' (Princeton's WordNet)
1 . efficacy
[ n]
Meaning (1): - capacity or power to produce a desired effect
Example in sentence:
concern about the safety and efficacy of the vaccine
Efficacy Efficacy is a term sometimes used in social psychology to indicate how effective a person feels in influencing matters of importance to her.
Self-efficacy Self-efficacy refers to an individual’s belief that he or she is capable of performing a task. The higher your self-efficacy, the more confidence