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Grammarly: Comparing Two or More Things

Comparing Two or More Things

The most common mistake that occurs when comparing two things is an incomplete comparison. Below, Grammarly has identified an instance of this error:

screen shot of grammarly feedback

The student has written the following:

Errors increased even more when intellectual inferiority of grades became a factor.

This comparison is incomplete because the increase in errors is compared (using more) to nothing. “Errors increased more than what?” a reader might wonder.

The student could address this error by simply completing the comparison,

Errors increased even more than in previous cases when intellectual inferiority of grades became a factor.

More information about constructing comparisons can be found in the 6th edition APA manual, section 3.09.