Practice GMAT Sentence Correction Question
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In a helpful book on the indexing and searching of text-based electronic files, a well-respected computer scientist differentiated latent semantic indexing, which is a technique designed to analyze relationships among the words within documents, with vector space models, which can search efficiently using augmented inverted indices.
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Correct Answer: E
There are two issues being tested in this question.
(1) The phrasing used in the original question (differentiated x with y) is not idiomatically correct and should be replaced by the correct idiom (differentiated between x and y)
(2) In order to ensure clarity and improve flow, the sentence should be constructed so that the format is consistent:
differentiated between X, {description of X}, and Y, {description of Y}
- the phrase differentiated latent semantic indexing...with vector space models is not idiomatically correct (i.e., the correct idiom is: differentiated between x and y)
- the phrase differentiated between latent semantic indexing...with vector space models is not idiomatically correct (i.e., the correct idiom is: differentiated between x and y)
- the phrase differentiated among implies that more than two objects are being compared, which is not true is this case; so, differentiated among is improperly used
- the phrase differentiated latent semantic indexing...and vector space models is not idiomatically correct (i.e., the correct idiom is: differentiated between x and y)
- the phrase differentiated between latent semantic indexing...and vector space models is idiomatically correct as it follows the idiom differentiated between x and y
Return to the list of practice GMAT sentence correction questions.