Table 1 The frequency, mean, standard deviation, median, range, skewness and kurtosis indices, and reliability (Cronbach’s α) coefficients of the JSE-S by matriculation year and the result of an ANOVA
Matriculation year | Students, n | Mean (SD) | Median | Range | Skewness | Kurtosis | Cronbach's α |
|---|---|---|---|---|---|---|---|
2011 | 113 | 112.5 (11.6) | 113 | 59—134 | -1.10 | 6.31 | 0.78 |
2012 | 114 | 110.8 (10.7) | 111.5 | 74—134 | -0.26 | 3.34 | 0.75 |
2013 | 113 | 108.9 (12.8) | 108 | 58—134 | -0.46 | 4.01 | 0.82 |
2014 | 112 | 108.4 (13.8) | 107.5 | 59—138 | -0.34 | 3.06 | 0.86 |
2015 | 113 | 109.9 (12.0) | 110 | 73—136 | -0.42 | 2.89 | 0.83 |
2016 | 115 | 111.4 (11.9) | 112 | 60—133 | -0.98 | 5.35 | 0.79 |
2017 | 114 | 110.5 (10.4) | 111.5 | 86—134 | -0.22 | 2.65 | 0.75 |
2018 | 112 | 112.2 (9.4) | 112 | 87—136 | -0.17 | 2.63 | 0.75 |
2019 | 100 | 110.3 (10.8) | 110 | 80—129 | -0.31 | 2.46 | 0.79 |
2020 | 109 | 112.3 (11.3) | 113 | 85—136 | -0.20 | 2.39 | 0.78 |
2021 | 101 | 111.4 (14.2) | 113 | 50—134 | -2.17 | 9.54 | 0.87 |
Total | 1,216 | 110.8 (11.8) | 111 | 50—138 | -0.75 | 4.78 | 0.81 |