They are not “rules” but common sense criteria. Additional criteria for selecting examples will depend on the largely topic and nature for the essay.
An engineering or pure-scientific paper could make use of hypothetical cases, either well-known in the field or constructed specially by the author, to show the principle being discussed. Such examples should really be complete and coherent; as easy as possible without getting trivial; requiring as little supporting material as you are able to to demonstrate the core principle, thus preventing distraction.
A practice-based topic (such as medicine, law, social work or business studies) should usually use real and referenced cases to illustrate a spot. This usually requires so much more extra information than will be appropriate for examples in other fields, but this could often be resigned to appendices.
Humanities, social sciences, languages, arts along with other less prescriptive topics usually require a coverage that is broad of so that you can substantiate a disagreement. Because of this good reason, examples should always be as brief as possible (within reason) and from as wide a variety of sources as you possibly can. Continue reading “The American Psychological Association (APA) style is, originally, a collection of rules that authors use when papers that are submitting publications in the journals associated with APA.”