¥Two-Way
ANOVA: Tests on level means
HLike
with one-way ANOVA, t-statistics are used to test for:
åfactor
level means
0
ådifferences
of 2 factor level means
åContrast
of multiple factor level means
¥3dANOVA2:
A test case
HMichael
S. Beauchamp, Kathryn E. Lee, James V. Haxby, and Alex Martin, fMRI Responses to Video and Point-Light Displays of
Moving Humans and Manipulable Objects, Journal of Cognitive Neuroscience,
15: 991-1001 (2003).
HPurpose
is to study the organization of brain responses to different types of complex visual motion
HData
from 3 of the subjects, and scripts to process it with AFNI programs, are available in AFNI HowTo #5 (hands-on)
åAvailable
for download at the AFNI web site
åIf you
want all the data, it is at the FMRI Data Center at Dartmouth