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首页> 外文期刊>Journal of health communication >Perceived Visual Informativeness (PVI): Construct and Scale Development to Assess Visual Information in Printed Materials
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Perceived Visual Informativeness (PVI): Construct and Scale Development to Assess Visual Information in Printed Materials

机译：感知的视觉信息（PVI）：评估印刷材料中视觉信息的结构和规模发展

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摘要

There is a paucity of research on the visual images used in health communication messages and campaign materials. Even though many studies suggest further investigation of these visual messages and their features, few studies provide specific constructs or assessment tools for evaluating the characteristics of visual messages in health communication contexts. The authors conducted 2 studies to validate a measure of perceived visual informativeness (PVI), a message construct assessing visual messages presenting statistical or indexical information. In Study 1, a 7-item scale was created that demonstrated good internal reliability (alpha = .91), as well as convergent and divergent validity with related message constructs such as perceived message quality, perceived informativeness, and perceived attractiveness. PVI also converged with a preference for visual learning but was unrelated to a person's actual vision ability. In addition, PVI exhibited concurrent validity with a number of important constructs including perceived message effectiveness, decisional satisfaction, and three key public health theory behavior predictors: perceived benefits, perceived barriers, and self-efficacy. Study 2 provided more evidence that PVI is an internally reliable measure and demonstrates that PVI is a modifiable message feature that can be tested in future experimental work. PVI provides an initial step to assist in the evaluation and testing of visual messages in campaign and intervention materials promoting informed decision making and behavior change.
机译：对卫生宣传信息和宣传材料中使用的视觉图像的研究很少。尽管许多研究建议进一步研究这些视觉信息及其功能，但很少有研究提供用于评估健康交流环境中视觉信息特性的特定结构或评估工具。作者进行了2项研究，以验证感知视觉信息量（PVI）的量度，该信息量是评估呈现统计或索引信息的视觉消息的消息构造。在研究1中，创建了一个7项量表，该量表显示出良好的内部可靠性（alpha = .91），以及与相关消息构造（例如，感知的消息质量，感知的信息性和感知的吸引力）具有收敛性和差异性。 PVI也趋向于对视觉学习的偏爱，但与人的实际视觉能力无关。此外，PVI在许多重要的构想上具有并发有效性，这些构想包括感知信息的有效性，决策满意度以及三个关键的公共卫生理论行为预测因子：感知收益，感知障碍和自我效能感。研究2提供了更多证据，表明PVI是一种内部可靠的措施，并证明了PVI是可修改的消息功能，可以在以后的实验工作中进行测试。 PVI提供了第一步，以帮助评估和测试运动和干预材料中的视觉消息，从而促进明智的决策和行为改变。

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