Abstract:
The study of significant factors of student’s academic performance is an important issue in higher
education in the contemporary situation. Among all factors, the attendance of students in academic
classes affects a student’s exam performance has obtained considerable attention in the world. In this
paper, an experiment of mean differences has been conducted to study the attendance which affects
students’ performance as per the literature. This kind of study has long been neglected by researchers
when considering the impact of academic class attendance on students’ academic performance in the
higher education sector of Sri Lanka Institute of Advanced Technological Education. Particularly, in
this research, under the mean difference experiment approach, three levels of students group with three
levels of attendance such as group - A (The students’ attendance was less than 35%), group - B (The
students’ attendance was between 36% to 75%) and group - C (The students attendance was more than
76%) have been compared with the mean differences of the marks of the exam. Eventually, it is found
that the academic class attendance has formed a constructive and significant impact on students’ exam
performance. Hence, the recommendation is stated as the students should concentrate on their
attendance in order to uplift their performance in the academic field.
