Scoring

Formula

score = correctCount * 100 + timeBonus
timeBonus = (50 - elapsedSeconds).coerceIn(0, 50)

Symbol	Meaning
correctCount	Number of correct answers
elapsedSeconds	From quiz start to final answer submit
timeBonus	0–50; faster is higher

Time boundaries

• Included: question view through each submit
• Excluded: time spent on feedback overlays

Correctness by type

Type	Correct when
Single	Selected id equals correctId
Multiple	Selected set equals correctIds
Reorder	orderedIds equals correctOrder

Covered by domain unit tests (commonTest / jvmTest).