| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| ChainedQuizCompleted | 66 | 185 | |
| ChainedQuizQuestion | 61 | 202 | |
| ChainedQuizQuiz | 60 | 249 | |
| ChainedQuiz | 37 | 212 | |
| ChainedSharing | 36 | 162 | |
| ChainedQuizQuizzes | 32 | 160 | |
| ChainedQuizQuestions | 20 | 90 | |
| ChainedQuizResult | 12 | 45 | |
| ChainedQuizResults | 10 | 34 | |
| ChainedQuizShortcodes | 3 | 9 |