Retain these abbreviations because the reader will need them to retrieve the source (you also do not need to define them—just present them as-is).
See more about this in our post on cite what you see.
Sometimes an abbreviation is presented along with an in-text citation.
For example, you might cite a test or measure that has an abbreviation and then provide its citation (for a common case, here is how to cite the ). Writing out the full term in the title will ensure potential readers know exactly what you mean, and if your article is formally published, it will ensure it is accurately indexed.
by Chelsea Lee This post will address how to use abbreviations in APA Style—specifically, how to use acronyms, which are abbreviations made up of the first letters of each word in a phrase. You can find abbreviations discussed in the The first time you use an abbreviation in the text, present both the spelled-out version and the short form.
When the spelled-out version first appears in the narrative of the sentence, put the abbreviation in parentheses after it: If your reference has a group author, the name of the group can sometimes be abbreviated—for example, American Psychological Association can be abbreviated to APA.
If the spelled-out version of the term appears in the narrative for the first time, put the abbreviation and the author–date citation in parentheses after it, separated by a semicolon. There is no official guidance on whether to use abbreviations in the running head.
We recommend that you avoid them, unless the abbreviation is well-known and there is no alternative running head that would be better.
The purpose of defining abbreviations in the table note or figure caption is that if other authors reuse your graphical display in a future paper, the definitions of the terms will be attached.
Additionally, many readers will skim an article before reading it closely, and defining abbreviations in tables and figures will allow the readers to understand the abbreviations immediately.