期刊
HEALTH COMMUNICATION
卷 29, 期 4, 页码 347-354出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/10410236.2012.755604
关键词
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Mediated instructional messages have the potential to enhance individuals' knowledge and self-efficacy to take self-protective actions during a food-related health crisis. This two-phased study used content analysis to examine the presence of instructions during an actual egg recall crisis (n=566 television broadcasts). Next, these messages were used in a pretest-posttest experiment to explore changes in participants' (n=651) foodborne illness knowledge and self-efficacy after watching a standard media message or a high instruction media message. In general, actual broadcasts only provided self-protective instructions between 3% and 17% of the time. Standard messages slightly increased viewer knowledge, but decreased viewer efficacy. Conversely, the high instructional message significantly increased both knowledge and efficacy.
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