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LearnTerms now requires a rationale on every question before it can be saved or published. This is stricter than earlier versions of LearnTerms. Previously, contributors could add a question with only a stem, answer choices, and the correct answer. That made question entry faster, but it created a weaker study flow for students.

What changed

When you create or edit a question, the Rationale field is now required. A question without a rationale will not save. If you see that error, add a short explanation in the Rationale field and try again.

Why the requirement exists

Rationales are part of the question, not optional notes. They help students:
  • understand why the correct answer is correct
  • learn from missed questions instead of only seeing a score
  • review concepts without needing to reopen source material
  • trust that published questions were reviewed before class-wide use
This also makes custom tests and review sessions more useful. After a student answers, LearnTerms can show the reasoning behind the answer, not just the answer itself.

What to write

A good rationale can be brief. Aim for two or three clear sentences. Include:
  • the key fact or concept being tested
  • why the correct answer fits
  • why a tempting distractor is wrong, when that helps
Avoid:
  • repeating the question stem
  • writing only “because it is correct”
  • referencing hidden context like “the slide says” or “from the document”

Example

Weak rationale:
The answer is B.
Better rationale:
Beta blockers lower heart rate by blocking sympathetic stimulation at beta receptors. This reduces cardiac workload, which is why they are useful in conditions where lowering myocardial oxygen demand matters.

Faster ways to add one

If you already have the question stem and correct answer, use the AI control near the answer section to draft a rationale. Review the generated text before saving. For manually written questions, keep the rationale concise. The goal is to make the answer teachable, not to write a full textbook paragraph.