Table 5.
Extinction retest.
| Last trial extinction | First trial extinction retest | 2-wayb | Simple main effect | Main effect | χ2a | p | f2 | |||
|---|---|---|---|---|---|---|---|---|---|---|
| SR | PIT | CS+ | 48.35 (9.07 | 51.89 (8.12) | TG × CS | 1.44 | 0.23 | |||
| CS− | 48.31 (7.86) | 51.09 (8.12) | TG × Time | 2.33 | 0.13 | |||||
| PVT | CS+ | 47.53 (7.43) | 52.89 (8.80) | CS × Time | 3.94 | 0.09 | ||||
| CS− | 46.82 (5.65) | 49.76 (7.00) | TG | 0.66 | 0.42 | |||||
| CS | 5.62 | 0.02 | ||||||||
| Time | 43.97 | <.01 | ||||||||
| Shock US Expectancy | PIT | CS+ | 1.42 (2.68) | 4.65 (3.38) | TG × CS | 0.01 | 0.94 | |||
| CS− | 0.89 (2.11) | 2.89 (2.83) | TG × Time | 3.01 | 0.08 | |||||
| PVT | CS+ | 0.94 (2.10) | 5.04 (3.37) | CS × Time | 5.91 | 0.02 | 0.02 | |||
| CS− | 0.72 (2.07) | 3.34 (2.75) | ||||||||
| CS @ Extinction Retest | 16.65 | <.01 | ||||||||
| Time @ CS+ | 96.17 | <.01 | ||||||||
| Time @ CS− | 38.39 | <.01 | ||||||||
| TG | 0.14 | 0.71 | ||||||||
| Self-Report Fear | PIT | CS+ | 3.13 (1.46) | 3.63 (1.84) | TG × CS | 0.06 | 0.80 | |||
| CS− | 3.08 (1.58) | 3.29 (1.69) | TG × Time | 0.49 | 0.48 | |||||
| PVT | CS+ | 3.20 (1.62) | 3.59 (1.76) | CS × Time | 1.71 | 0.19 | ||||
| CS− | 2.68 (1.54) | 2.64 (1.51) | TG | 0.87 | 0.35 | |||||
| CS | 14.12 | <0.01 | ||||||||
| Time | 4.17 | 0.04 | ||||||||
Note: TG = Training Group, CS+ is the conditional stimulus associated with the unconditional stimulus (US) during acquisition but not extinction, CS− is associated with the absence of the US, and SR is startle reflex.
a
Degrees of freedom for all analyses = 1.
b
There were no significant 3-way interactions.