Research Article
[Retracted] Self-Study System Evaluation of Oral English Based on Limit Theory
Table 1
Reliability of the questionnaire.
| Category | Coefficient evaluation method | Number of items |
| Overall questionnaire | 0.913 | 19 | Study plan | 0.835 | 5 | Learning strategies | 0.811 | 4 | Learn persistence. | 0.839 | 4 | Learning interest | 0.665 | 5 |
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