TABLE 3.

Patterns of learning presented as mean scaffolded scores and mean gains (with standard errors) for generalization items

Group	Pretest	Immediate Post-test	Delayed Post-test	Short-term gain (immediate post-pretest)	Intermediate gain (delayed post- immediate post)	Overall gain (delayed post-pretest)
+Gesture	0.79 (0.23)	1.08 (0.25)	1.75 (0.18)	0.29 (0.33)	0.67 (0.24)	0.88* (0.20)
+Photo	1.04 (0.21)	0.64 (0.23)	1.59 (0.16)	−0.40 (0.30)	0.95** (0.21)	0.52 (0.18)
Model Only	1.24 (0.21)	1.83 (0.25)	1.90 (0.18)	0.58 (0.32)	0.05 (0.23)	0.56 (0.19)

^**p = 0.004;

^*p = 0.02.