Table 1.
Descriptive Statistics of the Main Study Variables
| N | Mean | SD | Skewness | Kurtosis | Min | Max | |
|---|---|---|---|---|---|---|---|
| General Anxiety | 391 | 5.42 | 2.78 | .61 | .42 | .00 | 15.00 |
| Math Anxiety | 506 | 48.77 | 16.44 | .92 | .95 | 14 | 126 |
| Math Motivation | 389 | 2.59 | .75 | .00 | −.43 | 1.00 | 4.00 |
| Dots Task | 506 | .34 | .25 | 4.89 | 36.25 | .06 | 2.95 |
| Number-Line | 504 | 83.62 | 79.96 | 2.84 | 9.14 | 16.23 | 523.45 |
| CDNT | 511 | .48 | .20 | .78 | .98 | .11 | 1.31 |
| Problem Verification | 505 | 16.41 | 6.71 | 1.12 | 2.65 | 2.82 | 55.63 |
| Calculation | 493 | 518.98 | 16.62 | −.17 | .09 | 462 | 567 |
| Applied Problems | 509 | 526.87 | 18.65 | −.26 | 1.58 | 449 | 597 |
Note. The N for general anxiety and math motivation questionnaire is lower because they belong to the last part of the testing battery and was not administered to some participants due to time constraints. CDMT = Composing and Decomposing Numbers Task.