TABLE 4.

Total knowledge scores at pretest and postest, by message condition

Total Knowledge Score (out of 15)	Pretest M (SD)	Posttest M (SD)	Average Δ	p value
Full sample (N = 105)	8.82 (2.31)	10.33 (2.19)	1.51	<0.001
Facts Only Condition (N = 29)	8.97 (2.44)	9.69 (2.49)	0.72	<0.05
Facts and Myths Condition (N = 23)	8.39 (2.48)	9.86 (1.87)	1.48	<0.05
Facts, Myths, and Refutations Condition (N = 27)	9.22 (2.22)	10.70 (2.05)	1.48	<0.01
CDC Control Condition (N = 26)	8.62 (2.12)	11.08 (2.04)	2.46	<0.001