Table 4.
Measures of language functions in the PRT and control groups in each phase
| PRT | Control | Statistics | |
|---|---|---|---|
| M ± SD | |||
| Mand | |||
| Baseline | 1.67 ± 0.70 | 1.43 ± 0.96 |
Group: F(1, 28) = 13.84, p = .001, η2 = 0.33 Phase: F(3, 84) = 36.12, p = < .001, η2 = 0.56 Group × Phase: F(3, 84) = 19.14, p = < .001, η2 = 0.41 |
| Intervention | 3.90 ± 1.35 | 2.03 ± 1.30 | |
| Generalization | 3.70 ± 1.37 | 1.60 ± 1.55 | |
| Maintenance | 3.53 ± 1.34 | 1.50 ± 1.16 | |
| Tact | |||
| Baseline | 4.07 ± 1.81 | 2.97 ± 2.13 |
Group: F(1, 28) = 9.62, p = .004, η2 = 0.26 Phase: F(3, 84) = 30.63, p = < .001, η2 = 0.52 Group × Phase: F(3, 84) = 15.56, p = < .001, η2 = 0.36 |
| Intervention | 6.10 ± 2.11 | 3.63 ± 2.18 | |
| Generalization | 5.80 ± 2.19 | 3.10 ± 2.14 | |
| Maintenance | 5.90 ± 2.08 | 3.00 ± 1.98 | |
| Echoic | |||
| Baseline | 5.27 ± 2.13 | 4.40 ± 2.35 |
Group: F(1, 28) = 8.36, p = .007, η2 = 0.23 Phase: F(3,84) = 59.40, p = < .001, η2 = 0.68 Group × Phase: F (3, 84) = 44.34, p = < .001, η2 = 0.61 |
| Intervention | 7.77 ± 2.31 | 5.40 ± 2.80 | |
| Generalization | 7.77 ± 2.19 | 3.93 ± 2.48 | |
| Maintenance | 7.47 ± 2.18 | 4.47 ± 2.86 | |
| Listener responding | |||
| Baseline | 3.10 ± 1.56 | 2.37 ± 1.80 |
Group: F(1, 28) = 9.78, p = .004, η2 = 0.56 Phase: F(3,84) = 24.03, p < .001, η2 = 0.46 Group × Phase: F(3,84) = 7.99, p = < .001, η2 = 0.22 |
| Intervention | 5.43 ± 2.00 | 3.57 ± 2.02 | |
| Generalization | 5.43 ± 2.02 | 2.70 ± 1.76 | |
| Maintenance | 5.27 ± 1.96 | 2.83 ± 1.67 | |
Language functions were measured using the Chinese version of the VB-MAPP. The intervention and generalization assessments occurred in Week 10. The maintenance assessment occurred in Week 13
PRT Pivotal response training