Observational Study
Copyright ©The Author(s) 2025.
World J Methodol. Mar 20, 2025; 15(1): 97374
Published online Mar 20, 2025. doi: 10.5662/wjm.v15.i1.97374
Table 1 Distribution of demographic characteristics by group


n
%
GroupGroup 18135.5
Group 26829.8
Group 37934.6
Total228100.0
GenderFemale12554.8
Male10345.2
Total228100.0
Grade4th-grade10947.8
5th-grade11952.2
Total228100.0
Table 2 Comparison of success grade by group, class, and gender

Final exam success grade
Analysis
Within-group difference (LSD)
n
Average
SD
Statistic
P value
Group (F)Group 18171.6417.126.0390.0031-2
Group 26862.1516.821-3
Group 37965.4117.23
Gender (t)Female12568.8416.812.1050.036
Male10363.9917.92
Grade (t)4th-grade10965.0019.39-1.3550.177
5th-grade11968.1615.38
Table 3 Comparison of success grade by class in group separation
GroupGrade
Exam result
Analysis
n
Average
SD
Statistic
P value
Group 14th-grade2869.3913.66-0.9440.349
5th-grade5372.8318.71
Group 24th-grade4063.3520.280.7820.485
5th-grade2860.4310.13
Group 34th-grade4163.6121.68-0.9850.329
5th-grade3867.3410.50
Table 4 Comparison of success grade by gender in group separation
GroupGender
Exam result
Analysis
n
Average
SD
Statistic
P value
Group1Female4872.4818.600.5500.584
Male3370.4214.92
Group 2Female3168.7713.743.1690.002
Male3756.5917.31
Group 3Female4665.0916.21-0.1930.848
Male3365.8518.81