. Author manuscript; available in PMC: 2014 Dec 1.

Published in final edited form as: J Contin Educ Health Prof. 2013 Dec;33(1):67–75. doi: 10.1002/chp.21167

Table 4.

Changes in Pretests and Posttests Measuring Students’ Knowledge of Course Content

Course, Number of Items on Test, and Year Offered	Pretest Mean (SD)	Posttest Mean (SD)	T (df)	Probability
RC1– Year 1	68.37 (18.30)	92.46 (10.97)	10.86 (69)	P<.001
RC1– Year 2	69.48 (14.67)	84.11 (21.54)	4.70 (74)	P<.001
RC2– Year 1	82.94 (12.49)	93.06 (5.88)	7.32 (63)	P<.001
RC2– Year 2	82.85 (10.30)	91.00 (8.98)	6.69 (72)	P<.001
RC3 – Year 1	67.14 (17.63)	87.70 (8.83)	8.56 (58)	P<.001
RC3– Year 2	65.84 (17.34)	85.99 (10.74)	10.26 (72)	P<.001
RC4– Year 1	69.94 (7.39)	75.09 (10.00)	4.01 (58)	P<.001
RC4– Year 2	66.43 (10.07)	83.16 (13.23)	8.35(68)	P<.001

Note: Participants were allowed three attempts to achieve the required grade on the posttest, but most were successful on the first attempt. The scores on the first attempt were used for the t-test analyses.