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Table 3.

Comparison of pretest and posttest scores for each section and percent change.

SemesterSectionNumber of StudentsAverage Pretest ScoreAverage Posttest ScoreChangePercent Change
1 Experiment 20 20.6 22.5 1.9 0.06 
Control 19 18.9 19.6 0.7 0.02 
2 Experiment 18 21.2 21.8 0.6 0.02 
Control 17 21.4 20.4 –0.9 –0.03 
3 Experiment 19 19.6 23.2 3.6 0.12 
Control 18 20.8 22.6 1.8 0.06 
Average Experiment 57 20.5 22.5 2.0 0.07 
Control 54 20.3 20.9 0.6 0.02 
SemesterSectionNumber of StudentsAverage Pretest ScoreAverage Posttest ScoreChangePercent Change
1 Experiment 20 20.6 22.5 1.9 0.06 
Control 19 18.9 19.6 0.7 0.02 
2 Experiment 18 21.2 21.8 0.6 0.02 
Control 17 21.4 20.4 –0.9 –0.03 
3 Experiment 19 19.6 23.2 3.6 0.12 
Control 18 20.8 22.6 1.8 0.06 
Average Experiment 57 20.5 22.5 2.0 0.07 
Control 54 20.3 20.9 0.6 0.02 
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