Table 1
Distribution properties of USEI's items
| Item | N | M | SD | Min | p25 | p50 | p75 | Max | skewness | kurtosis | Histogram |
|---|---|---|---|---|---|---|---|---|---|---|---|
SE1 | 1504 | 3.90 | 0.96 | 1 | 3 | 4 | 5 | 5 | −0.52 | −0.33 |
|
SE2 | 1504 | 4.38 | 0.85 | 1 | 4 | 5 | 5 | 5 | −1.44 | 1.99 |
|
SE3 | 1504 | 4.43 | 0.83 | 1 | 4 | 5 | 5 | 5 | −1.48 | 1.91 |
|
SE4 | 1504 | 3.98 | 0.99 | 1 | 3 | 4 | 5 | 5 | −0.71 | −0.18 |
|
SE5 | 1504 | 4.20 | 0.91 | 1 | 4 | 4 | 5 | 5 | −1.01 | 0.57 |
|
SE6 R | 1504 | 2.99 | 1.41 | 1 | 2 | 3 | 4 | 5 | −0.05 | −1.25 |
|
SE7 | 1504 | 3.93 | 0.99 | 1 | 3 | 4 | 5 | 5 | −0.57 | −0.39 |
|
SE8 | 1504 | 3.76 | 1.05 | 1 | 3 | 4 | 5 | 5 | −0.49 | −0.31 |
|
SE9 | 1504 | 3.84 | 0.97 | 1 | 3 | 4 | 5 | 5 | −0.41 | −0.44 |
|
SE10 | 1504 | 3.95 | 0.96 | 1 | 3 | 4 | 5 | 5 | −0.60 | −0.22 |
|
SE11 | 1504 | 3.93 | 0.92 | 1 | 3 | 4 | 5 | 5 | −0.45 | −0.35 |
|
SE12 | 1504 | 3.81 | 0.98 | 1 | 3 | 4 | 5 | 5 | −0.49 | −0.16 |
|
SE13 | 1504 | 4.08 | 0.89 | 1 | 3 | 4 | 5 | 5 | −0.727 | 0.15 |
|
SE14 | 1504 | 4.06 | 0.88 | 1 | 3 | 4 | 5 | 5 | −0.59 | −0.29 |
|
SE15 | 1504 | 3.99 | 0.88 | 1 | 3 | 4 | 5 | 5 | −0.41 | -0.55 |
|
R-reversed | |||||||||||
Source(s): Table by authors | |||||||||||
