Table 1.
Participant Demographic, IQ, and Achievement Data at Intake
| Treatment Group (n = 31) | Control Group (n = 18) | |||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | Min | Max | M | SD | Min | Max | |
|
|
|
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| Demographics | ||||||||
| Estimated family income | 43,870 | 36,577 | 0 | 130,000 | 46,670 | 29,306 | 10,000 | 110,000 |
| Mother level of education | 13.4 | 1.9 | 10 | 18 | 13.6 | 1.5 | 12 | 16 |
| Father level of education | 13.5 | 2.8 | 10 | 18 | 12.9 | 2.6 | 8 | 18 |
| IQ/Achievement | ||||||||
| WISC-IV Full-Scale IQ | 94.2 | 9.2 | 80 | 113 | 98.3 | 9.2 | 84 | 118 |
| WIAT-II Reading | 96.7 | 10.1 | 75 | 117 | 96.6 | 13.5 | 63 | 122 |
| WIAT-II Num Oper | 95.5 | 14.5 | 60 | 121 | 96.1 | 15.2 | 76 | 128 |
| WIAT-II Spelling | 93.8 | 7.8 | 75 | 104 | 97.7 | 15.7 | 72 | 129 |
| WIAT-II Writ Exp | 90.5 | 13.8 | 67 | 126 | 94.5 | 15.4 | 68 | 130 |
Note. Demographic data was provided by primary caregiver during intake evaluation. All variables appear to be normally distributed and no significant differences were found between the treatment and control group at intake. WISC-IV = Wechsler Intelligence Scale for Children (4th ed.); WIAT-II = Wechsler Individual Achievement Test (2nd ed.); Reading = reading subtest; Num Oper = numerical operations subtest; Spelling = spelling subtest; Writ Exp = written expression subtest.