[Retracted] Evaluation and Analysis of Assisted Instruction and Ability Improvement Based on Artificial Intelligence

Table 3

Sample sources of questionnaires.

School name	Survey sample	Questionnaire recovery number	Recovery rate
Heilongjiang University	40	35	88%
Harbin Normal University	43	43	100%
Jiamusi University	50	48	96%
Harbin Engineering University	46	41	89%
Harbin University of Commerce	40	38	95%
Qiqihar University	41	41	100%
Overall	260	246	95%