Use the item-quality battle deck
Apply quick item-review checks for stems, keys, distractors, and feedback.
"The distractor is obviously wrong, but that makes the item easier." Your line "An obvious distractor does not diagnose a misconception. Let's replace it with a plausible weaker move and explain why it fails." Easy is not the same as clear. It turns wrong options into evidence. Clear stem vs vague stem If two experts can defend different keys, the stem probably lacks context. What makes a key defensible? Under the stated conditions, it is clearly strongest and every distractor violates a named principle. The phrase "under the stated conditions" is the guardrail. "Feedback can just say correct or incorrect."…
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