Table 2.
Descriptive statistics and Skewness/Kurtosis normality test (adjusted chi-squared χ2 and p-value) of IQ, Big Fives, Literacy, and Numeracy.
| Mean | SD | Skewness | Kurtosis | Adj. χ2 | p-Value | |
|---|---|---|---|---|---|---|
| IQ | 121.22 | 9.93 | −2.04 | 7.99 | 66.67 | 0.000 |
| Extraversion (E) | 3.33 | 0.79 | −0.37 | 2.68 | 4.96 | 0.084 |
| Agreeableness (A) | 3.70 | 0.56 | −0.26 | 2.66 | 3.14 | 0.208 |
| Conscientiousness (C) | 3.67 | 0.70 | −0.37 | 2.77 | 4.70 | 0.096 |
| Neuroticism (N) | 3.03 | 0.81 | −0.14 | 2.81 | 0.78 | 0.678 |
| Openness (O) | 4.07 | 0.60 | −1.13 | 4.93 | 31.37 | 0.000 |
| Literacy | 200a | 40a | −0.26 | 2.90 | 2.26 | 0.322 |
| Numeracy | 200a | 40a | −0.31 | 2.79 | 3.22 | 0.200 |
a
The TECO scores are presented as standardized values on a scale with mean 200 and standard deviation 40.