Table 8.
Predictors of kindergarten achievement.
| Effect | Estimate | se | df | t | p |
|---|---|---|---|---|---|
| Intercept | 57.71 | 1.43 | 90 | 40.35 | 0.001 |
| Test | |||||
| NO | −6.23 | 1.05 | 96 | −5.92 | 0.001 |
| WR | 0.00 | – | – | – | – |
| Age | 1.34 | 1.04 | 96 | 1.29 | 0.201 |
| Parent Education | |||||
| No Information | −1.57 | 2.55 | 96 | −0.62 | 0.539 |
| H.S. Degree | 0.31 | 1.85 | 96 | 0.17 | 0.867 |
| College Degree | 0.00 | – | – | – | – |
| IQ | 0.94 | 1.05 | 96 | 0.90 | 0.370 |
| Y1 EF | −0.69 | 1.02 | 96 | −0.68 | 0.499 |
| Y2 EF | 0.93 | 1.00 | 96 | 0.93 | 0.355 |
| Preliteracy | 3.63 | 1.05 | 96 | 3.46 | 0.001 |
| Give-a-Number | 2.95 | 1.09 | 96 | 2.71 | 0.008 |
| Discrete Quantity Discrimination | 3.47 | 1.05 | 96 | 3.31 | 0.001 |
| Age * Test | |||||
| WR | −1.88 | 1.07 | 96 | −1.75 | 0.083 |
| NO | 0.00 | – | – | – | – |
| Preliteracy * Test | |||||
| WR | 2.94 | 1.07 | 96 | 2.74 | 0.007 |
| NO | 0.00 | – | – | – | – |
| Discrete Quantity Discrimination * Test | |||||
| WR | −2.46 | 1.07 | 96 | −2.31 | 0.023 |
| NO | 0.00 | – | – | – | – |
EF, Executive Functions; Age, age at beginning of first year of preschool; NO, Numerical Operations subtest of WIAT; WR, Word Reading subtest of WIAT; Numerical Operations and Word Reading were both scored as raw score/maximum score from our sample to generate an accuracy score. The maximum score for Numerical Operations was 14, and the maximum score for Word Reading was 93.