Table 1. Descriptive information of the participants for Study 1.

	Sample Size	Mean Std.err	Std dev	Mean age std.err	M/F ratio
Study 1: Knowledge
Control	752	0.52 ± 0.01	0.18	11.63 ± 0.08	1.08
Experimental	797	0.75 ± 0.01	0.15	11.87 ± 0.08	0.88