Dr. Elder also is curious as to whether categorization happens similarly for children as it does for recruit. At such, he recruits a group of 10-year-olds and a group of 20 -year-olds to participate in the study. The result are below,
Based on the graphs above, why should Dr. Elder conclude that there is a threc-way interaction?
There is a two-way interaction for 10-year-olds that is ditferent from the two-way interaction for 20-year olds.
There is a two-way interaction for 10 -year-olds but not for 20 -year-olds-
There is a two-way interaction for 20 -year-olds but not for 10 -year-olds.
There is no two-way interaction for either 10 -year-olds or 20 -yea olds.