[Retracted] Discussion on Teaching Method of Digital Image Processing Technology Based on PBL

Table 2

“Digital image processing technology” questionnaire.

Questions	Average score
	1603-1604	1701-1702	1801-1802
Q1. Do you like the case teaching method base on PBL?	4.89	4.92	4.95
Q2. Can case teaching enhance your learning interest and initiative?	4.87	4.89	4.91
Q3. Can case teaching enhance your ability to analyze and solve problems?	4.91	4.95	4.89
Q4. Is case teaching helpful for you to understand the content of the course?	4.97	4.92	4.93
Q5. Do you think case teaching is helpful to your application of knowledge?	4.85	4.71	4.89
Q6. Have you improved your ability to cooperate with other students in the course?	4.83	4.82	4.91
Q7. Are you satisfied with the classroom teaching of this course?	4.95	4.96	4.98
Average score	4.90	4.88	4.92