Lexicon-Based Sentiment Analysis of Teachers’ Evaluation

Table 4

Sentiment score of the selected student’s feedback.

Student’s feedback	Sentiment score	Actual sentiment
Good instructor, a very nice person	2	Positive
The topic is always well explained and the teacher never gets angry for asking too many questions	−1	Positive
A good teacher	1	Positive
Lab was difficult because of size of students. Nobody knows what is going in front portion of the class	−1	Negative
Explains easy questions in class and is giving extreme difficult questions in exam	0	Negative
The number of students in class is high due to which teacher faces problem in paying attention to every student	−1	Negative
Good effort by teacher. Some concepts are unclear, needs to be explained in more detail	0	Mixed
This course is very important for all CS students but the teacher needs to change her casual behavior (most of our classes started late)	1	Negative