efficacy

/,efi'keiʃəsnis/ Cách viết khác : (efficacy) /'efikəsi/

Thân thiện

Concern about the vaccine's efficacy led to further studies.

Definition

Noun The capacity or power to produce a desired effect or result. It refers to the effectiveness of something in achieving its intended purpose.

Usage and Examples

Noun * The study confirmed the efficacy of the new teaching method in improving student engagement. * Before approval, a drug must undergo rigorous testing to prove its efficacy and safety. * Many people question the efficacy of that policy in solving the underlying economic issues.

Advanced Usage

• "Demonstrate/Prove efficacy": To show through evidence that something works.
  • Clinical trials are designed to demonstrate the efficacy of a new treatment.
• "Question/Doubt the efficacy of": To express uncertainty about whether something is effective.
  • Some scientists doubt the efficacy of the proposed environmental measures.

Variants and Related Words

• Efficacious (adjective): Having the power to produce a desired effect; effective.
  • An efficacious remedy for the common cold has yet to be found.
• Inefficacy (noun): The state of not being able to produce a desired effect; lack of efficacy.
  • The report highlighted the inefficacy of the previous regulations.

Synonyms

• Effectiveness: The degree to which something is successful in producing a desired result.
• Potency: The power of something to influence or bring about a result.
• Efficiency (Note: While related, "efficiency" often emphasizes achieving maximum productivity with minimum wasted effort, whereas "efficacy" focuses on the ability to produce the desired outcome itself).

Antonyms

• Inefficacy: Lack of power to produce the desired effect.
• Ineffectiveness: The quality of not producing any significant or desired effect.

Học thuật

Noun

1. capacity or power to produce a desired effect
   • concern about the safety and efficacy of the vaccine

Từ đồng nghĩa

• efficaciousness