It is possible that you might be thinking of a different acronym, or that PQA is a term specific to a particular course or institution.
To get a more accurate answer, please provide more context about where you encountered the term "PQA." For example:
* Where did you see this acronym? (e.g., textbook, lecture notes, online resource)
* What was the context? (e.g., discussing essay structure, evaluation criteria)
* Are there any other clues you can provide?
With more information, I can help you understand what PQA might stand for.