Table 2.
Descriptives
| Measure | Control group (pre-test n = 13) |
CATS group (pre-test n = 12) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre-M (SD) | Post-M (SD) | t | p | Pre-M (SD) | Post-M (SD) | t | p | ||
| Pre-test only | |||||||||
| Age (yr) | 8.42 (1.35) | 8.75 (1.40) | 0.61 | 0.55 | |||||
| HOME (avg) | 0.72 (0.09) | 0.69 (0.11) | −0.75 | 0.46 | |||||
| Raven’s progressive matrices (pr) | 56.08 (32.68) | 52.08 (27.09) | −0.33 | 0.74 | |||||
| Immediate post-test (same n as pre-test) | |||||||||
| Trail-making test (ln; control n = 11) | 1.22 (0.47) | 1.41 (0.42) | 1.33 | .198 | 1.32 (0.57) | 1.10 (0.40) | −1.67 | .110 | |
| WCST | |||||||||
| Categories completed (raw) | 3.46 (2.44) | 3.00 (2.04) | −0.83 | .414 | 3.00 (1.91) | 3.58 (1.93) | 1.01 | .323 | |
| Trials to 1st category (raw) | 43.00 (49.80) | 37.62 (42.16) | −0.52 | .607 | 33.92 (39.15) | 25.00 (33.85) | −0.83 | .415 | |
| Failure to maintain set (raw) | 1.23 (1.36) | 1.23 (1.24) | 0.00 | 1.000 | 1.00 (1.21) | 2.33 (2.02)* | 2.84 | .009 | |
| Perseverative errors (std) | 94.08 (18.94) | 90.77 (15.11) | −0.85 | .403 | 83.83 (14.86) | 97.83 (12.09)* | 3.47 | .002 | |
| Non-perseverative err (std) | 101.77 (29.22) | 93.00 (18.45) | −1.10 | .281 | 97.00 (21.29) | 93.58 (18.70) | −0.41 | .683 | |
| Conceptual level resp (std) | 91.46 (21.97) | 87.38 (15.33) | −0.74 | .469 | 84.17 (14.01) | 95.75 (17.97)† | 2.01 | .056 | |
| Post-test in 6 months | (n = 5) | (n = 8) | |||||||
| VABS composite (std) | 79.62 (13.45) | 83.00 (16.08) | 0.89 | .388 | 86.83 (13.54) | 93.50 (20.76) | 1.38 | .191 | |
| Communication (std) | 86.08 (14.62) | 87.00 (15.25) | 0.84 | .417 | 90.00 (9.85) | 100.13 (14.29)* | 3.96 | .002 | |
| Daily living (std) | 78.46 (11.98) | 83.00 (19.27) | 1.31 | .210 | 86.58 (13.61) | 91.00 (18.76) | 0.68 | .506 | |
| Socialization (std) | 80.23 (14.81) | 82.40 (19.42) | 0.71 | .490 | 85.33 (18.86) | 91.88 (24.43) | 1.09 | .296 | |
| Motor (std) | 89.38 (9.81) | 94.40 (14.08)† | 2.02 | .065 | 91.42 (13.30) | 97.38 (12.41) | 1.45 | .174 | |
Note: The above t-tests of pre-to-post changes are simple main effects within groups in the multilevel model shown in Table 3; * and † designate effects with p < .05 and .10, respectively.