Introduction: The teaching of radiology to medical students has often been criticised for being inadequate and unstructured, with students reporting lack of confidence in assessing x-rays. In this paper, we describe how an e-learning resource, on how to interpret a chest x-ray for medical students, was designed and developed. The aim of the resource was to provide medical students with knowledge of how to interpret a chest x-ray in a systematic approach.
Methods: The technology used to design the e-learning resource was Xerte Online Toolkits. The design and development of the e-learning resource was based upon andragogical principles and followed Overbaugh’s guidelines and Mayer’s 12 multimedia principles. An instructional design model called ADDIE was used to help develop the resource and its content. These included cases of common conditions, a quiz and summary table at the end. The paper focuses mainly on the way in which instructional design, education and multimedia principles were used to inform the development of the resource.
Findings: A preliminary evaluation was completed by 18 medical students from year 3– 5 who completed the e-learning resource. The feedback was positive with an average rating of 9/10 and 100% of students saying they would recommend the resource to a colleague. Students commented that they liked the resource as it was easy to navigate, had good visual learning and contained good explanations with relevant content.
Conclusion and Future Implications: This paper demonstrates how, with the use of instructional models, educational theories and principles, an e-learning resource can be created. Preliminary evaluation showed that students were satisfied with the resource and felt it helped them acquire knowledge on how to interpret chest x-rays. This resource can be further utilized either as a standalone resource or before starting clinical placements and may prove particularly useful in the current and challenging learning environment where there is an increased need for digital resources.

Keywords: instructional design, educational principles, learning outcomes, radiology, medical students, e-learning

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中文翻译：

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教授医学生如何解读胸部 X 光片：电子学习资源的设计和开发

简介：对医学生的放射学教学经常被批评为不充分和非结构化，学生报告对评估 X 射线缺乏信心。在本文中，我们描述了如何设计和开发电子学习资源，即如何为医学生解读胸部 X 光片。该资源的目的是为医学生提供有关如何以系统方法解释胸部 X 光片的知识。
方法：用于设计电子学习资源的技术是 Xerte Online Toolkits。电子学习资源的设计和开发基于教育学原则，并遵循 Overbaugh 的指导方针和 Mayer 的 12 条多媒体原则。一个名为 ADDIE 的教学设计模型被用来帮助开发资源及其内容。这些包括常见情况的案例，最后的测验和汇总表。本文主要关注教学设计、教育和多媒体原则用于指导资源开发的方式。
发现：初步评估由完成电子学习资源的 3-5 年级的 18 名医学生完成。反馈是积极的，平均评分为 9/10，100% 的学生表示他们会将资源推荐给同事。学生评论说他们喜欢该资源，因为它易于浏览，具有良好的视觉学习能力，并且包含具有相关内容的良好解释。
结论和未来影响：本文演示了如何使用教学模型、教育理论和原则来创建电子学习资源。初步评估表明，学生对该资源感到满意，并认为这有助于他们获得有关如何解读胸部 X 光片的知识。该资源可以作为独立资源进一步使用，也可以在开始临床实习之前进一步使用，并且可能在当前和具有挑战性的学习环境中特别有用，因为对数字资源的需求增加。

关键词：教学设计、教育原则、学习成果、放射学、医学生、电子学习

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