I really liked how you explained the principles of multimedia learning and their application in the context of reducing plastic waste in school cafeterias. It’s also good that you included Merrill’s Education Principles and the use of course design frameworks like constructive alignment and backward design.

It might also be great if you can provide more specific examples of how each principle could be applied in the context of reducing plastic waste in school cafeterias. To further engage readers, consider adding more visuals or multimedia elements to your post, such as images or videos. It may also be beneficial to expand on the potential challenges or limitations of using multimedia and educational principles in this context and suggest ways to address them. Overall, you did a great job in highlighting the importance of using multimedia and educational principles to design effective campaigns and courses that promote learning and behaviour change.

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