Table 13.
Bivariate shared environmental correlations by moderators for reading and math.
| Race Reported | rC | SE | p | Lower CI | Upper CI |
|---|---|---|---|---|---|
| Caucasian | 0.95 | 0.20 | <.001 | 0.88 | 0.97 |
| Multiple | 0.23 | 0.28 | .41 | −0.30 | 0.65 |
| Race Inferred | |||||
| Caucasian | 0.92 | 0.11 | <.001 | 0.87 | 0.95 |
| Multiple | 0.23 | 0.48 | .63 | −0.62 | 0.83 |
| Clinical Status | |||||
| Typically-Developing | 0.89 | 0.12 | <.001 | 0.84 | 0.93 |
| Mixed | 0.98 | 0.43 | <.001 | 0.90 | 0.99 |
| Math Domain | |||||
| Fluency | 0.59 | 0.33 | .04 | 0.02 | 0.87 |
| Calculation | 0.99 | 0.52 | <.001 | 0.93 | 0.99 |
| Spatial Ability | 0.90 | 0.37 | <.001 | 0.62 | 0.98 |
| Problem Solving | 0.64 | 0.29 | .01 | 0.16 | 0.87 |
| Quantitative Concepts | 0.65 | 0.30 | .01 | 0.18 | 0.88 |
| Multiple Domains | 0.95 | 0.12 | <.001 | 0.92 | 0.97 |
| Math Assessment Format | |||||
| Cloze | 0.75 | 0.47 | .03 | 0.07 | 0.96 |
| Multiple Choice | 0.71 | 0.33 | .01 | 0.24 | 0.91 |
| Mixed | 0.94 | 0.12 | <.001 | 0.90 | 0.96 |
| Timed | 0.23 | 0.46 | .62 | −0.59 | 0.81 |
| Teacher-Report | 0.87 | 0.46 | <.001 | 0.41 | 0.98 |
Note. Bolded estimates indicate p < .05. Typically-Developing = 75% or more of the sample qualified as typically-developing in the domains assessed, Mixed = the sample included a mixture of students with a learning disability and typically-developing students.