1. When English consonants or vowels are replaced with Korean segments (i.e., negative transfer occurs). | 5 | 3 | 8 |
2. When consonants or vowels are uttered incorrectly but there is no problem understanding the meaning (substitution, insertion, deletion, etc.). | 4 | 4 | 8 |
3. When consonants or vowels are uttered incorrectly to the extent that it interferes with understanding the meaning. | 5 | 5 | 10 |
4. When consonants or vowels are lengthened. | 3 | 1 | 4 |
5. When grammatical errors such as subject-verb agreement occur (e.g., singular/plural disagreement). | 1 | 0 | 1 |
6. When a word itself is omitted or uttered out of context. | 1 | 3 | 4 |