感知到的消息有效性评级是否会因重复的消息曝光而改变?
Youjin Jang1, Noel T Brewer1,2, Nisha Gottfredson O'Shea3
1Lineberger Comprehensive Cancer Center, University of North Carolina.
Health communication
|February 28, 2025
概括
反复接触电子烟预防广告增加了感知到的信息有效性. 效果感知比消息感知增加得更大,这表明它们对随着时间的推移反复暴露于消息的敏感性更大.
科学领域:
- 卫生沟通健康沟通
- 青少年健康 青少年健康
- 行为科学 行为科学
背景情况:
- 感知消息有效性 (PME) 对于消息预测和竞选评估至关重要.
- 有限的研究存在于如何PME,特别是影响的感知与信息的感知,变化与重复的信息暴露.
研究的目的:
- 为了调查在反复接触电子烟预防信息后,感知信息有效性 (PME) 的变化.
- 为了确定效果的感知和信息的感知是否随着时间的推移而随着重复的暴露而改变.
主要方法:
- 一项为期3周的随机临床试验,涉及1514名美国青少年 (年龄13-17岁) 易感或使用电子烟.
- 在试验期间,参与者多次接触到电子烟预防视频广告.
主要成果:
- 重复暴露显著增加了影响感知 (p < .001) 和信息感知 (p < .05).
- 与信息感知相比,效果感知显示出明显更大的平均增长 (.32) (.05).
结论:
- 影响感知测量对随着时间的推移反复暴露于信息的变化做出了更好的反应.
- 了解这些独特的 PME 模式有助于解释用于健康运动和行为变化评估的数据.
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