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An Efficient Message Evaluation Protocol: Two Empirical Analyses on Positional Effects and Optimal Sample Size

机译:一种有效的消息评估协议:在位置效应和最佳样本大小上的两个实证分析

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摘要

Reliable and valid message evaluation has a central role in effective health communication and message effects research. The authors have employed a message testing protocol to efficiently acquire valid and reliable message evaluation results: (a) use multiple messages, (b) recruit evaluators from the target population, (c) use valid and reliable effectiveness measures, (d) expose an evaluator to multiple messages, and (e) ensure enough evaluations per message. Two secondary analyses of anti-tobacco message evaluation studies provide evidence for reliability and validity regarding points (d) and (e). Seven studies where adult smokers evaluated the effectiveness of various anti-smoking campaign messages were examined. The first analysis shows that the position in which a message appears has little or no impact on its evaluation, supporting the validity of multiple-exposure design. The second analysis suggests having 25 evaluations per message can achieve a fair balance between accuracy and efficiency.
机译:可靠和有效的消息评估在有效的健康沟通和消息效果研究中具有核心作用。作者已经采用了一条消息测试协议,以有效地获取有效和可靠的消息评估结果:(a)使用多个消息,(b)从目标群体中招募评估人员,(c)使用有效且可靠的效果措施,(d)公开评估者到多个消息,(e)确保每条消息进行足够的评估。反烟草消息评估研究的两次二次分析提供了关于点(d)和(e)的可靠性和有效性的证据。检查了成年吸烟者评价各种防喷运动消息的有效性的七项研究。第一个分析表明,消息出现的位置对其评估几乎没有影响,支持多曝光设计的有效性。第二个分析表明,每条消息有25个评估可以在准确性和效率之间实现公平的平衡。

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