Check discussion post length requirements.
Graded discussion boards have three separate requirements and students routinely track only the first. The main post has a word minimum and usually a citation requirement, both of which are checked mechanically. Peer replies are the part that catches people out: two substantive replies at around 40 percent of the main post length is roughly another 200 words, so the real weekly writing commitment is nearly double the stated post minimum. Reporting the total words owed across post and replies together is what makes the actual workload visible before the deadline rather than after it.
Reply length
Suggested per reply = 40% of the main post minimum, floored at 75 words
Weekly total
Total words = main post + suggested reply length x replies required
Because they are usually a separate rubric line worth as much as a third of the mark, and they are the easiest points to lose. A one-line agreement contributes nothing; a substantive reply that engages with a specific claim and adds evidence is what the criterion asks for.
Only if the extra words do work. Discussion rubrics reward engagement with the prompt, use of sources and response to peers — not length. A tight 260-word post that cites properly beats a 500-word post that restates the prompt at greater length.