Student scores during baseline, behavioral skills training (BST), in situ training, and follow-up (0 = touched the firearm; 1 = did not touch the firearm; 2 = did not touch, left the area within 10 s; 3 = did not touch, left the area, told an adult). Squares indicate assessments at the day-care site, triangles reflect home assessments, and circle indicates a location at the day-care site not associated with training or assessment. Downward arrows indicate booster sessions conducted by the peer trainers. Upward arrows indicate in situ training conducted by the researcher.