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The Construction of Blended Teaching Model of College English in Applied Colleges and Universities Based on Neural Networks

  
Feb 05, 2025

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Figure 1.

A mixed teaching evaluation model based on GA-BP neural network
A mixed teaching evaluation model based on GA-BP neural network

Figure 2.

Flow chart of GA-BP
Flow chart of GA-BP

Figure 3.

Running time comparison results
Running time comparison results

Figure 4.

Performance accuracy comparison results
Performance accuracy comparison results

Figure 5.

Achievement prediction results
Achievement prediction results

Figure 6.

Model reaction velocity
Model reaction velocity

Figure 7.

CPU occupancy rate
CPU occupancy rate

Evaluation index table of mixed teaching

Dimension Primary indicator Secondary indicator
Mixed teaching evaluation Pre-class study evaluation Number of students check-in
Watch the number of video
Frequency of interaction
Online test number
Clear task target
Teaching evaluation in class Classroom discipline (test attendance, etc.)
Group cooperation
Classroom performance (discussion interaction)
The teaching is serious and sensitive
Attitude is rigorous and refined
counselling
Focus on guidance and inspiration
Heavy difficulty
Attention concentration
Theoretical combination
Teaching evaluation in class Online work
Online test
Online discussion interaction
Basic knowledge
Online test scores

Mixed teaching evaluation results

Number Network training value Actual evaluation Grade
1 0.911 0.9 good
2 0.689 0.7 medium
3 0.878 0.9 good
4 0.716 0.7 medium
5 0.987 1 superior
6 0.716 0.7 medium
7 0.525 0.5 passing
8 0.414 0.4 passing
9 0.656 0.6 medium
10 0.978 1 superior
11 0.667 0.7 superior
12 0.545 0.5 passing
13 0.567 0.5 passing
14 0.787 0.7 medium
15 0.301 0.3 bad

The two groups carry out the English level of the teaching model

Group Measurement type Mean of achievement Standard deviation The difference is 95% confidence interval
Lower limit Upper limit
Experimental group Pre-model 80.26 2.178 10.451 13.478
After the model is implemented 95.67 3.115
Reference group Pre-model 81.09 2.124 7.665 10.745
After the model is implemented 91.23 3.415

Evaluation index system of mixed teaching

Dimension Primary indicator Secondary indicator
Pre-class study evaluation X1 Number of students check-in
X2 Watch the number of video
X3 Frequency of interaction
X4 Online test number
X5 Clear task target
Teaching evaluation in class X6 Classroom discipline (test attendance, etc.)
X7 Group cooperation
X8 Classroom performance (discussion interaction)
X9 The teaching is serious and sensitive
X10 Attitude is rigorous and refined
X11 counselling
X12 Focus on guidance and inspiration
X13 Heavy difficulty
X14 Attention concentration
X15 Theoretical combination
Teaching evaluation in class X16 Online work
X17 Online test
X18 Online discussion interaction
X19 Basic knowledge
X20 Online test scores
Language:
English