What context can I use each word in?
Learn when and how to use these words with these examples!
efficiency
Example
The new software has greatly improved the efficiency of our workflow. [efficiency: noun]
Example
She efficiently completed the task in half the time it usually takes. [efficiently: adverb]
effectiveness
Example
The effectiveness of the new marketing strategy was evident in the increase in sales. [effectiveness: noun]
Example
He effectively communicated his ideas to the team, leading to a successful project. [effectively: adverb]
Good things to know
Which word is more common?
Efficiency and effectiveness are both commonly used in business and personal contexts, but efficiency is more commonly used in discussions of productivity and resource management, while effectiveness is more commonly used in discussions of goal achievement and problem-solving.
Whatโs the difference in the tone of formality between efficiency and effectiveness?
Both efficiency and effectiveness can be used in formal and informal contexts, but efficiency may be more commonly used in technical or professional settings due to its association with productivity and optimization.