Table 1:

Summary of key statistical analyses

Data structureType of testObserved power (α = 0.05)
aFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
bOne-way, within-subject design: categoryRepeated-measures ANOVA0.40
cOne-way, within-subject design: categoryRepeated-measures ANOVA0.35
dFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
eTwo-factor, within-subject design: category, siteRepeated-measures ANOVA0.70
fTwo-factor, within-subject design: category, siteRepeated-measures ANOVA0.40
gOne-way, within-subject design: categoryRepeated-measures ANOVA0.40
hOne-way, within-subject design: categoryRepeated-measures ANOVA0.40
iCategory: faces/objectsPaired t test1.00
jCategory: faces/scenesPaired t test1.00
kCategory: scenes/objectsPaired t test0.43
lTwo-factor, within-subject design: category, siteRepeated-measures ANOVA0.70
mFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
nCategory: scenes/objectsPaired t test0.99
oCategory: scenes/facesPaired t test0.99
pCategory: faces/objectsPaired t test0.78
qSite: posterior/centralPaired t test0.99
rSite: central/frontalPaired t test0.99
sTwo-factor, within-subject design: category, componentRepeated-measures ANOVA1.00
tOne-way, within-subject design: categoryRepeated-measures ANOVA1.00
uOne-way, within-subject design: categoryRepeated-measures ANOVA1.00
vCategory: scenes/facesPaired t test0.99
wCategory: scenes/objectsPaired t test0.71
xCategory: faces/objectsPaired t test0.61
yCategory: faces/scenesPaired t test0.96
zCategory: faces/objectsPaired t test0.76
aaCategory: scenes/objectsPaired t test0.12
abOne-way, within-subject design: categoryRepeated-measures ANOVA1.00
acFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
adSpatial expanse (natural scenes): closed/openPaired t test0.65
aeSpatial expanse (man-made scenes): closed/openPaired t test0.12
afFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
agFour-factor, within-subject design: hemisphere, site, mediality, categoryRepeated-measures ANOVA0.99
ahOne-way, within-subject design (left hemisphere):
distance
Repeated-measures ANOVA0.99
aiOne-way, within-subject design (right hemisphere):
distance
Repeated-measures ANOVA0.90
ajTwo-way, within-subject design (left hemisphere):
naturalness, distance
Repeated-measures ANOVA0.99
akTwo-way, within-subject design (right hemisphere):
naturalness, distance
Repeated-measures ANOVA0.99
al4 computational variables (n = 96), 2 categorical labels (n = 96)Two-sampled Kolmogorov–Smirnov test (nonparametric)Not applicablea
am3 response variables (n = 96), 6 predictor variables (n = 96)Linear multiple regression (ordinary least squares)see Table 4b
  • a95% confidence intervals on actual distribution means are reported in Results.

  • bPost hoc power and R 2 for all regression models are reported in Tables 4 and 5.