Grammar, Clarity and AP Style. The Writing Process Research! Know who will receive your communication and how to best reach them. This means knowing your:
Who, Which, That Who and Whom. Rule 1: Who refers to people. That and which refer to groups or things. Examples: Anya is the one who rescued the bird.
Commonly Confused Words. Affect/Effect Use affect as a verb – to influence Use effect as a noun – a result (cause & effect) The arrow affected the aardvark.