360个字符的无线紧急警报 (WEA) 消息是否比90个字符的信息更有效? 测试风险沟通共识的测试
Elizabeth J Carlson1, Hamilton Bean2, Chelsea Ratcliff3
1University of Tennessee Knoxville.
Journal of contingencies and crisis management
|September 27, 2024
概括
较短的公众警告信息可能与较长的信息一样有效. 风险个性化和危险体验显著影响应急警报的遵守,较短的信息有时会超过较长的信息.
科学领域:
- 风险沟通风险沟通是什么
- 公共安全公共安全.
- 人与计算机的互动.
背景情况:
- 现有研究表明,较长的移动公众警告消息 (360个字符) 与较短的消息 (90个字符) 相比,增加了合规性.
- 这种信念是基于风险沟通奖学金早期证据.
- 无线紧急警报 (WEA) 系统中消息长度的有效性需要进一步的实证测试.
研究的目的:
- 用实验来测试较长的WEA消息是否会比较短的消息导致更高的合规性.
- 为了确定影响遵守WEA消息的因素,超出消息长度.
- 检查对WEA消息的替代反应,例如寻求信息或忽视警报.
主要方法:
- 采用了一个实验设计,共有481名参与者.
- 参与者接触到不同长度的模拟无线紧急警报 (WEA) 消息.
- 该研究测量了合规的可能性,信息搜索,非推的行动和消息忽视.
主要成果:
- 较长和较短的WEA消息都导致了高的合规率;消息长度没有显著地区分合规.
- 风险个性化和先前的危险经历是WEA消息响应结果的更强有力的预测因素.
- 观察到一个适度效应:较短的信息在风险较低的个性化个体中产生了略高的遵守率.
结论:
- 假设较长的WEA消息本质上比较短的更有效,这一研究并不支持.
- 九十个字符的WEA消息可能比以前假设的更有效.
- 未来的公共安全沟通策略应该优先考虑风险个性化和危险体验,而不是信息长度.
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