LSD post hoc contrasts indicated that parent - reported total difficulties decreased significantly for all groups from pre-test to post-test 1 (p < 0.001), and from post-test 1 to post-test 2 (p < 0.001).
LSD post hoc comparisons tested for changes in pro-social behavior between adjacent time points within each of the three groups.
LSD post hoc contrasts indicated that parent - reported pro-social skills increased significantly for all groups from pre-test to post-test 1 (p < 0.001), and from post-test 1 to post-test 2 (p = 0.002).