Impact of Cooperative Learning Approaches on Students’ Academic Achievement and Laboratory Proficiency in Biology Subject in Selected Rural Schools, Ethiopia
Table 4
Post hoc analysis on students’ laboratory competency via successive test scores (mean ± SD).
Rural schools
Teaching methods
Test scores
Pretest
Posttest 1
Posttest 2
Posttest 3
FG
CLAD
36.9 ± 8.0
58.4 ± 13.6
66.1 ± 12.2
66.5 ± 13.9
IL
38.9 ± 14.3
54.1 ± 17.8
58.9 ± 13.7
58.9 ± 15.2
CDG
35.8 ± 9.6
60.7 ± 13.2
62.9 ± 13.7
64.3 ± 10.5
GG
CLAD
37.4 ± 8.6
57.8 ± 12.4
62.3 ± 13.9
65.9 ± 13.4
IL
39.9 ± 9.9
53.5 ± 20.1
56.5 ± 13.2
58.4 ± 12.1
CDG
39.5 ± 8.6
65.9 ± 14.3
64.8 ± 13.7
66.1 ± 12.1
KG
CLAD
36.5 ± 7.0
62.0 ± 18.2
60.5 ± 18.3
60.8 ± 14.8
IL
42.8 ± 10.8
50.5 ± 16.1
52.9 ± 12.8
52.8 ± 14.9
CDG
41.9 ± 8.6
58.3 ± 15.7
61.8 ± 13.6
63.5 ± 14.6
LSD
3.6
6.67
6.9
7.6
Significant at ; significant at ; LSD, least significant difference; SD, standard deviation; FG, Fert General Secondary School; GG, Gassaye General Secondary School; KD, Kimer Dengay General Secondary School.
