Q: Why is APA style needed?

A: An author writing for a publication must follow the rules established by the publisher to avoid inconsistencies among journal articles or book chapters.

For example, without rules of style, three different manuscripts might use sub-test, subtest, and Subtest in one issue of a journal or book.

Although the meaning of the word is the same (in this case, subtest is APA style), such variations in style may distract or confuse the reader.

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