“…The majority of research indicates that interpersonal communication prompted by campaigns enhances knowledge, pro-attitudinal shifts, and positive behavior change (Chatterjee, Bhanot, Frank, Murphy, & Power, 2009;Dunlop, Wakefield, & Kashima, 2008;Southwell & Torres, 2006;van den Putte, Yzer, & Brunsting, 2005). Studies show that the mere presence of campaign-related conversation, regardless of its valence, shifts attitudes, intentions, and actual health behaviors toward a campaign's advocated position (Durkin & Wakefield, 2006;Valente & Saba, 1998;van den Putte, Yzer, Southwell, de Bruijn, & Willemsen, 2011). One study found that conversations prompted by a health campaign still led to positive health outcomes even when those engaging in the conversations had negative reactions to the campaign, suggesting that talk has a neutralizing effect on negative perceptions toward campaign content (Hafstad & Aarø, 1997).…”