Table 4.
Latent Growth Modeling Results for ACT-Related Measures (T1–T4): Immediate, Delayed, Combined (Fixed Effects)
| Immediate (n
= 23) |
Delayed (n =
19) |
Combined (n
= 42) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Measure | Est. | SE | C.R. | Significance | Est. | SE | C.R. | Significance | Est. | SE | C.R. | Significance |
| Nonreactivity to Inner Experience subscale | ||||||||||||
| Comparative fit index | 1.000 | 0.984 | 0.984 | |||||||||
| Coefficient: Intercept value | 22.190 | 0.998 | 21.997 | <.001 | 21.588 | 0.903 | 24.159 | <.001 | 21.675 | 0.695 | 31.166 | <.001 |
| Coefficient: Slope value | 0.279 | 0.252 | 1.108 | .268 | 1.104 | 0.505 | 2.186 | .029 | 0.543 | 0.211 | 2.570 | .010 |
| Nonjudging of Experience subscale | ||||||||||||
| Comparative fit index | 1.000 | 0.981 | 1.000 | |||||||||
| Coefficient: Intercept value | 28.435 | 1.305 | 21.840 | <0.001 | 28.412 | 1.366 | 20.920 | <.001 | 28.425 | 0.952 | 29.692 | <.001 |
| Coefficient: Slope value | 1.021 | 0.378 | 2.702 | .007 | 1.051 | 0.671 | 1.567 | .117 | 0.985 | 0.296 | 3.328 | <.001 |
| Observing/Noticing/Attending to Inner Experience subscale | ||||||||||||
| Comparative fit index | 1.000 | 0.910 | 1.000 | |||||||||
| Coefficient: Intercept value | 27.870 | 1.212 | 22.759 | <.001 | 29.06 | 0.949 | 30.514 | <.001 | 28.110 | 0.795 | 35.377 | <.001 |
| Coefficient: Slope value | 1.030 | 0.358 | 2.878 | .004 | 0.699 | 0.435 | 1.609 | .108 | 0.784 | 0.248 | 3.164 | .002 |
Abbreviations: ACT, acceptance and commitment therapy; Est., parameter estimate; C.R., Est./SE.