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. 2010 Spring;24(1):2–18. doi: 10.7899/1042-5055-24.1.2

Table 6.

Summary results (mean scores and standard deviations) for each study group for the three measurements (pretest, posttest, and final test)

Pretest Posttest Final Test
Group n Mean Scores (SD) n Mean Scores (SD) n Mean Scores (SD)
IG1 26 5.35 (1.52) 17 4.82 (1.55) 21 4.86 (1.53)
IG2 21 4.70 (0.93) 14 5.57 (1.02) 14 5.43 (1.60)
IG3 23 4.84 (1.40) X 17 4.65 (1.37)
CG 29 4.45 (1.15) X 24 4.79 (1.38)

IG, intervention groups (IG1, subgroup unexposed to reminder but undergoing a posttest at midpoint; IG2, subgroup exposed to reminder and a posttest at midpoint; IG3, subgroup unexposed to reminder and receiving no posttest); CG, control group; n, number of participants completing the competency tests; SD, standard deviation; X, subgroups IG3 and CG did not undergo a posttest.