10.
A researcher hypothesizes a difference in four autism treatments. She used ANOVA to compare 4 treatment
conditions with separate samples of n=5 participants in each treatment. Some results are below. Complete the table.
There are 10 total points in this problem. Fill in the table first to
help answer the questions posed here.
1
point a. how many participants
total?
1
point a. Was at least one treatment different from the others at an alpha of
.01? Give the critical F at .01.
1
point b. Was one treatment significantly different from the others at an alpha
of .05? Give the critical F at .05.
1
point c. If there was a significant finding, what step would the researcher
take to see which group or groups were specifically different from the others?
