Summary of statistical analyses
Data structure | Type of test | Effects | Statistic | p Value | Effect size | |
---|---|---|---|---|---|---|
US expectancy | ||||||
Acquisition | ||||||
a | Normal | ANOVA | ME: o | F(3,109) = 12.491 | 6.764E-7 | η2p = 0.247 |
b | Normal | ANOVA | GEN | F(1,38) = 28.360 | 0.000005 | η2p = 0.427 |
c | Normal | ANOVA | ME: g | F(1,38) = 7.310 | 0.010 | η2p = 0.161 |
d | Normal | ANOVA | o × g INT | F(3,109) = 1.133 | 0.338 | η2p = 0.029 |
e | Normal | ANOVA | MEX | F(1,38) = 4.796 | 0.035 | η2p = 0.112 |
Extinction | ||||||
f | Normal | ANOVA | ME: g | F(1,38) = 0.621 | 0.436 | η2p = 0.016 |
g | Normal | ANOVA | o × g INT | F(3,113) = 1.363 | 0.258 | η2p = 0.035 |
h | Normal | ANOVA | MEX | F(1,38) = 6.660 | 0.014 | η2p = 0.149 |
Delayed recall (day 2) | ||||||
i | Normal | ANOVA | ME: g | F(1,36) = 0.688 | 0.412 | η2p = 0.019 |
j | Normal | ANOVA | o × g INT | F(3,100) = 1.172 | 0.323 | η2p = 0.032 |
k | Normal | ANOVA | MEX | F(1.36) = 3.090 | 0.087 | η2p = 0.079 |
Valence and arousal | ||||||
Acquisition | ||||||
i | Normal | ANOVAVal | ME: o | F(3,96) = 7.756 | 0.000272 | η2p = 0.170 |
m | Normal | ANOVAAro | ME: o | F(3,100) = 10.928 | 0.000008 | η2p = 0.223 |
n | Normal | ANOVAVal | GEN | F(1,38) = 12.352 | 0.001 | η2p = 0.245 |
o | Normal | ANOVAAro | GEN | F(1,38) = 19.587 | 0.000078 | η2p = 0.340 |
p | Normal | ANOVAVal | ME: g | F(1,38) = 1.221 | 0.276 | η2p = 0.031 |
q | Normal | ANOVAVal | o × g INT | F(3,96) = 1.502 | 0.224 | η2p = 0.038 |
r | Normal | ANOVAAro | ME: g | F(1,38) = 1.248 | 0.271 | η2p = 0.032 |
s | Normal | ANOVAAro | o × g INT | F(3,100) = 1.658 | 0.187 | η2p = 0.042 |
t | Normal | ANOVAVal | MEX | F(1,38) = 9.228 | 0.004 | η2p = 0.195 |
u | Normal | ANOVAAro | MEX | F(1,38) = 7.325 | 0.010 | η2p = 0.162 |
Extinction | ||||||
v | Normal | ANOVAVal | ME: g | F(1,38) = 1.810 | 0.186 | η2p = 0.045 |
w | Normal | ANOVAVal | o × g INT | F(3,117) = 0.647 | 0.590 | η2p = 0.017 |
x | Normal | ANOVAAro | ME: g | F(1,38) = 0.355 | 0.555 | η2p = 0.009 |
y | Normal | ANOVAAro | o × g INT | F(3,112) = 0.437 | 0.724 | η2p = 0.011 |
Delayed recall (day 2) | ||||||
z | Normal | ANOVAVal | ME: g | F(1,36) = 0.074 | 0.788 | η2p = 0.002 |
aa | Normal | ANOVAVal | o × g INT | F(3,96) = 0.216 | 0.864 | η2p = 0.006 |
bb | Normal | ANOVAAro | ME: g | F(1,36) = 0.239 | 0.628 | η2p = 0.007 |
cc | Normal | ANOVAAro | o × g INT | F(3,100) = 0.121 | 0.938 | η2p = 0.003 |
SCRs | ||||||
Acquisition | ||||||
dd | Normal | ANOVA | ME: o | F(3,96) = 14.856 | 3.1057E-7 | η2p = 0.281 |
ee | Normal | ANOVA | GEN | F(1,38) = 31.987 | 0.000002 | η2p = 0.457 |
ff | Normal | ANOVA | ME: g | F(1,38) = 0.931 | 0.341 | η2p = 0.024 |
gg | Normal | ANOVA | o × g INT | F(3,96) = 0.833 | 0.461 | η2p = 0.021 |
Extinction | ||||||
hh | Normal | ANOVA | ME: g | F(1,38) = 1.170 | 0.286 | η2p = 0.030 |
ii | Normal | ANOVA | o × g INT | F(3,117)= 0.921 | 0.435 | η2p = 0.024 |
Delayed recall (day 2) | ||||||
jj | Normal | ANOVA | ME: g | F(1,38) = 0.002 | 0.965 | η2p = 0.00005 |
kk | Normal | ANOVA | o × g INT | F(3,116)= 1.483 | 0.222 | η2p = 0.038 |
ssVEPs | ||||||
Acquisition | ||||||
ll | Normal | ANOVA | ME: o | F(4,137) = 5.696 | 0.000479 | η2p = 0.130 |
mm | Normal | ANOVA | GEN | F(1,38) = 8.447 | 0.006 | η2p = 0.182 |
nn | Normal | ANOVA | o × g INT | F(4,137) = 1.042 | 0.384 | η2p = 0.027 |
Extinction | ||||||
oo | Normal | ANOVA | ME: g | F(1,38) = 2.957 | 0.094 | η2p = 0.072 |
pp | Normal | ANOVA | o × g INT | F(4,147) = 0.418 | 0.790 | η2p = 0.011 |
Delayed recall (day 2) | ||||||
Normal | ANOVA | ME: g | F(1,38) = 5.354 | 0.026 | η2p = 0.123 | |
rr | Normal | ANOVA | o × g INT | F(3,122) = 0.556 | 0.657 | η2p = 0.014 |
Table shows statistical analyses including p value and effect size for each memory outcome measure, separated by learning phase. For each outcome measure, we calculated repeated-measures ANOVAs with the CS orientation as the within-subject factor and the group (in-phase group vs out-of-phase group) as the between-subject factor. Successful conditioning (i.e., increased response toward the CS+ respective of group) was validated by the main effects of orientations (noted in the column effects as ME: o). To account for the specific symmetric generalization pattern (CS+ in the middle), additional generalization contrast fits were used (noted as GEN). The main effects of group (ME: g) and group × orientation interactions (o × g INT) addressed differences between in-phase and out-of-phase conditioning. Better grating discrimination versus stronger generalization across orientations are described by a Mexican Hat contrast fit for the group × orientation interactions (MEX). ANOVA, Mixed repeated-measures ANOVA; ME, main effect; o, orientation; η2p, partial η2; g, group; MEX, Mexican Hat contrast fit of orientation × group interaction; INT, interaction; GEN, generalization fit; Val, valence; Aro, arousal.