Evaluation Method of English Learning Efficiency Based on Grey Management Analysis

Table 1

Evaluation collection table of water Drop reading user satisfaction questionnaire.

Target layer	Index layer		Evaluation set
	Level 1 index	Level 2 index	Very good	Good	General	Poor	Worse
Customer satisfaction	The system features	System operation stability	0.12	0.76	0.12	0	0
		Timeliness of system response	0.24	0.48	0.25	0.03	0
	Service quality	Humanization of service	0.29	0.37	0.21	0.08	0.05
		Individuation of service	0.25	0.29	0.23	0.18	0.05
		Innovation of service	0.06	0.24	0.28	0.27	0.15
	Interface characteristics	Interface navigation	0.35	0.37	0.24	0.04	0
		Interface friendliness	0.35	0.36	0.23	0.05	0.01
		Interface aesthetics	0.36	0.27	0.26	0.08	0.03
	Content quality	Professionalism in word interpretation	0.31	0.32	0.25	0.1	0.02
		The pertinence of recommending new words	0.05	0.26	0.48	0.15	0.06
		The richness of learning styles	0.15	0.3	0.34	0.15	0.06
		Read for moderation	0.32	0.34	0.23	0.09	0.02
		The fun of the story	0.35	0.34	0.14	0.14	0.03
		The systematization of chapter content	0.34	0.38	0.25	0.02	0.01
		The incentive of punishment and reward mechanism	0.18	0.25	0.23	0.24	0.1
	Interaction ability	Real-time of online consultation	0.15	0.43	0.34	0.08	0
		Friendliness of interactive sharing	0.2	0.33	0.24	0.17	0.06
		The effectiveness of mutual recommendations	0.13	0.24	0.25	0.2	0.18
	Feedback mechanism	Ease of feedback operation	0.16	0.31	0.41	0.12	0
		Responsiveness of feedback	0.14	0.39	0.34	0.1	0.03