Table 4.
Comparison of treatment effectiveness between pivotal response treatment and control groups.
| Difference of means | SE | t | p | |
|---|---|---|---|---|
| SLO | 0.39 | 0.17 | 2.01 | 0.09 |
| CDI | 0.06 | 0.21 | 0.27 | 0.81 |
| VABS daily living | −0.04 | 0.25 | −0.16 | 88 |
| VABS expressive | 0.41 | 0.25 | 1.62 | 0.26 |
| VABS receptive | 0.08 | 0.84 | 0.09 | 0.93 |
| VABS socialization | −0.04 | 0.28 | −0.15 | 0.89 |
| MSEL expressive | 0.03 | 0.20 | 0.14 | 0.89 |
| MSEL receptive | 0.05 | 0.21 | 0.25 | 0.81 |
| MSEL composite | 0.11 | 0.25 | 0.44 | 0.70 |
| PLS-5 expressive | 2.08 | 2.96 | 0.70 | 0.52 |
| SRS-2 total score | −8.09 | 4.91 | −1.64 | 0.24 |
CDI, MacArthur-Bates Communicative Development Inventories; MSEL, Mullen scales of early learning; PLS-5, Preschool Language Scale, Fifth Edition; SLO, Structured Language Observation; VABS: Vineland Adaptive Behavior Scales.