📖Detailed Answer
Creating truly equivalent test versions requires careful planning:
Methods for Creating Versions:
1. Question Reordering
- •Keep same questions
- •Randomize order
- •Randomize answer choices
- •Simplest method but limited protection
2. Number Changes
- •Same problem structure
- •Different values
- •Same difficulty level
- •Example: "Solve 2x + 5 = 13" becomes "Solve 3x + 4 = 16"
3. Parallel Problems
- •Same concept/skill
- •Different context
- •Equivalent difficulty
- •Requires more preparation
4. AI Generation
- •Generate multiple versions simultaneously
- •Ensure equivalent difficulty
- •Create answer keys for each version
- •Label versions clearly
Ensuring Equivalence:
- •Same number of questions per topic
- •Same difficulty distribution
- •Same point values
- •Similar time requirements
Version Management:
- •Label clearly (Version A, B, C)
- •Track which students receive which
- •Create separate answer keys
- •Keep master copies secure
Best Practice: Test your versions on yourself or colleagues to verify equivalent difficulty before using them.