Agreement of Subjects and Verbs

A verb must agree in number (i.e., singular or plural) with its subject, regardless of intervening phrases that begin with such words as together, with, including, plus, and as well as.

For example:

Incorrect:
The percentage of correct responses as well as the speed of the responses increase with practice.

Correct:
The percentage of correct responses as well as the speed of the responses increases with practice.

(adapted from the fifth edition of APA's Publication Manual, © 2001)

Removing Bias in Language
Disabilities
Race & Ethnicity
Sexuality

Electronic Media
Electronic Media and URLs
Electronic Media Spelling Guide

Authorship Aids
Ethics of Publication
Determining Authorship: Students

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