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Table 4 Comparison of student scores in final examinations for Medical Genetics from 2006 to 2011

From: Role-playing is an effective instructional strategy for genetic counseling training: an investigation and comparative study

Grades
(N)
Mean ± SD Multiple Comparison Test Significant? /Change
(95 % CI)
Combining participants and non-participants
2010 2009 2008 2007 2006 Mean ± SD Change (95 % CI) t test P value
2011
(N = 167)
82.2 ± 9.69 Yes/-3.58
(-5.92 -1.25)
Yes/4.97
(2.68 7.25)
Yes/5.93
(3.69 8.16)
Yes/7.32
(4.95 9.68)
No/2.15
(-0.208 4.51)
81.6 ± 8.44
(N = 578)
4.6 (3.62 5.50) < 0.0001
2010
(N = 196)
85.8 ± 6.89 Yes/8.55
(6.36 10.7)
Yes/9.51
(7.38 11.6)
Yes/10.9
(8.63 13.2)
Yes/5.73
(3.47 8.00)
2009
(N = 215)
77.3 ± 6.36   No/0.960
(-1.12 3.04)
Yes/2.35
(0.13 4.57)
Yes/-2.82
(-5.03 -0.605)
2008
(N = 240)
76.3 ± 7.94    No/1.39
(-0.78 3.56)
Yes/-3.78
(-5.94 -1.62)
77.0 ± 8.03
(N = 614)
2007
(N = 186)
74.9 ± 8.46     Yes/-5.17
(-7.46 -2.88)
2006
(N = 188)
80.1 ± 6.76