| Textbooks | Total number of passages | Passages about Chinese culture | Passages about cultural difference |
| College English Integrated Course | 80 | 2 (2.5%) | 0 (0%) |
| 21st Century Practical College English | 64 | 2 (3.12%) | 3 (4.6%) |
| Experiencing English Integrated Course Book | 96 | 4 (4.17%) | 4 (4.17%) |
| New Vision College English | 64 | 1 (1.56%) | 0 (0%) |
| New College English | 64 | 1 (1.56 %) | 5 (7.5%) |