Protecting LearnDash Quiz Integrity
We modified quiz results for a certification platform to hide "correct" answer highlights. By only showing students where they made a mistake, we encouraged them to review the course platforms instead of just memorizing the right answers.
Case Study Keywords
Primary Impact
Project Type
The Memorization Problem
By default, LearnDash shows students exactly which answer was correct right after they fail a quiz. For professional exams, this was a problem: students could simply memorize the highlights and pass the re-take without actually learning the material.
- Standard settings reveal the correct answer immediately.
- Students were bypassing study time by memorizing results.
- Needed a way to show "failed" status without giving away the solution.
- Requirement to keep the red highlight for incorrect answers only.
Technical Solution: Quiz Integrity System
We avoided heavy template overrides that often break during updates. Instead, we built a lightweight filter that reformats the result screen based on the student's performance.
Execution: The Result Cleaning System
The implementation follows a precise sequence to ensure students only see relevant, mistake-focused feedback without being given the correct answers.
Trigger Detection
The system monitors the quiz end-screen, waiting for the student to look at their detailed results.
Failure Identification
As the results load, the system instantly scans the blocks to find questions marked as "failed".
Answer Stripping
For every failed question, the system removes the "Correct" highlights and checkmarks from all options.
Error Isolation
The final step leaves only the student's incorrect choice highlighted in red, providing clear feedback on the mistake without revealing the right answer.
Case Study Results
The platform now enforces a strict "review before re-take" policy. By hiding the answers, we encouraged students back into the modules to find the information they missed. This led to a significant improvement in student knowledge and protected the value of the certification.
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