From: Threat appeals in health communication: messages that elicit fear and enhance perceived efficacy positively impact on young male drivers
Pre
Post
Group
Mean (SD)
Threat + Efficacy
27428.75 (8194.71)
24141.83 (6333.25)
Threat Only
25236.33 (8936.88)
23958.95 (8695.39)
Neutral Cognitions
28847.34 (7043.26)
30263.10 (5749.29)
Control
24265.15 (9463.26)
24680.73 (8586.40)