efficiency of/in

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. It may improve efficiency of your study.
  2. It may improve efficiency in your study.

Which is correct to say? And why?

Thanks! :slight_smile:

2

Both of them are ok. But you should use the sentence 1 because: In the first sentence, the word “efficiency” is a adjective for your study. In the second sentence, the word “efficiency” is a part of your study. We often talk about efficiency of study, but seldom talk about an efficiency as a feature to contribute a good study.

3

‘It may improve the efficiency of your study,’ would generally be correct. (Your study might become more efficient).

It may improve efficiency in your study’ would only be used in very special circumstances, where instead of meaning that your study would become more efficient, you would be referring to the study of efficiency itself.

4

Wow, you guys really help me!!
I understand the difference b/w “in” and “of”.

Now, I have one more question, can I?

How about “with”? Like “It may improve (the) efficiency with my study.”
Does this make any sense?

5

I wouldn’t use ‘with’ in this sentence.

6

All right. Thank you! :slight_smile: