Semester | Communication Skills: Self-Perception | n | Communication Skills: External Perception | n | Difference | 95%-CI | p-value (α = 0,05) | ||
---|---|---|---|---|---|---|---|---|---|
 | Mean | SD |  | Mean | SD |  |  | ||
2011 | 4.32 | 1.14 | 810 | 4.15 | 0.82 | 5854 | 0.173 | 0.109; 0.237 | < 0.0001 |
2011–2012 | 4.17 | 1.11 | 818 | 4.3 | 0.76 | 5908 | −0.125 | − 0.185; − 0.066 | < 0.0001 |
2012 | 4.36 | 1.18 | 740 | 4.25 | 0.82 | 5276 | 0.1096 | 0.042; 0.177 | < 0.0001 |
2012–2013 | 4.08 | 1.36 | 405 | 4.13 | 0.85 | 3228 | −0.051 | −0.147; 0.044 | 0.2890 |
2013 | 4.33 | 1.03 | 759 | 4.27 | 0.68 | 5628 | 0.064 | 0.008; 0.118 | 0.0237 |
2013–2014 | 4.5 | 1.18 | 818 | 4.19 | 0.77 | 6492 | 0.311 | 0.251; 0.371 | < 0.0001 |
2014 | 4.44 | 1.12 | 762 | 4.11 | 0.92 | 1496 | 0.331 | 0.244; 0.417 | < 0.0001 |