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Table 7.
Summary of average content scores by case. Pre- and post-test content scores and pre/post change are reported as the average percentage of the ideal response. Significance values marked with an asterisk were calculated using non-parametric analyses (Mann-Whitney U test). Effect sizes were determined using Cohen's d and are interpreted accordingly: 0.2 = small, 0.5 = moderate, 0.8 = large.
Case CodenPre contentPost contentPre/post changepEffect Size (d)
A_APBio 17 46% 56% 10% 0.01 0.69 
B_300Evo 51% 53% 2% 0.40 0.13 
C_400Evo 15 19% 26% 7% 0.09 0.51 
D_100Evo 12 21% 31% 10% 0.05 0.59 
E_200Bio_HC 30 17% 32% 15% 0.00 1.62 
F_400Evo 33 52% 56% 4% 0.12 0.22 
G_100BioLabA 153 33% 39% 6% 0.00* 0.32 
G_100BioLabB 234 36% 40% 5% 0.01* 0.29 
G_100BioRes 101 36% 50% 15% 0.00* 0.85 
H_100CompBio 24 33% 44% 11% 0.01 0.68 
Case CodenPre contentPost contentPre/post changepEffect Size (d)
A_APBio 17 46% 56% 10% 0.01 0.69 
B_300Evo 51% 53% 2% 0.40 0.13 
C_400Evo 15 19% 26% 7% 0.09 0.51 
D_100Evo 12 21% 31% 10% 0.05 0.59 
E_200Bio_HC 30 17% 32% 15% 0.00 1.62 
F_400Evo 33 52% 56% 4% 0.12 0.22 
G_100BioLabA 153 33% 39% 6% 0.00* 0.32 
G_100BioLabB 234 36% 40% 5% 0.01* 0.29 
G_100BioRes 101 36% 50% 15% 0.00* 0.85 
H_100CompBio 24 33% 44% 11% 0.01 0.68 
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