The American Psychological Association (APA) developed a set of standards that writers in the social sciences follow to create consistency throughout publications. These rules address:
APA's guidelines assist readers in recognizing a writer's ideas and information, rather than having to adjust to inconsistent formatting. In this way, APA allows writers to express themselves clearly and easily to readers. The APA materials developed in the Walden Writing Center are based on the sixth edition of The Publication Manual of the American Psychological Association (i.e., "the APA manual").