Table 2.
PretestMean (SD) | PosttestMean (SD) | P Value | |
---|---|---|---|
Participants | 9.2 (2.6) | 11.4 (2.4) | <.05 |
Nonparticipants | 8.2 (2.2) | 8.7 (2.5) | NS |
P value | NS | <.01 |
Scores were compared using paired t test for participants’ and nonparticipants’ pre- and posttest scores and independent t test for comparing participants to nonparticipants.
SD, standard deviation; NS, not significant.