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Descriptive statistics for research variables (N = 366)
| Variable | Mean | S.D | Min | Max | Range | Kurtosis | Skewness | Reliability |
|---|---|---|---|---|---|---|---|---|
| Problematic Internet usage | 2.520 | .765 | 1.11 | 4.56 | 3.44 | −.128 | .596 | .859 |
| Life satisfaction | 3.527 | .768 | 1.00 | 5.00 | 4.00 | .953 | −.787 | .876 |
| Sleep disturbance | 3.102 | .991 | 1.00 | 5.00 | 400 | −.605 | .228 | .932 |
