{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"The Knowledge Architects: Building Wisdom in the Information Age","title":"Episode 27 | Multimedia Learning Principles","html":"","width":"100%","height":180,"duration":1279,"description":"\nEpisode Summary\n\nYou have probably heard that a picture is worth a thousand words. But here is what the research actually shows. Combine words and pictures the wrong way, and you can wipe out the entire benefit. Put the label in the wrong corner of a diagram. Narrate an animation while the identical words scroll across the screen. Add one vivid, interesting photo that has nothing to do with the point. Each of these small choices can erase the advantage that words and pictures are supposed to buy you. Strangest of all, adding interesting material can make people learn less, not more.\nIn this episode we meet Richard E. Mayer, the psychologist who spent more than thirty years turning that designer's question into a science. Out of his laboratory at the University of California, Santa Barbara came the Cognitive Theory of Multimedia Learning and a catalog of roughly fifteen evidence based design principles, each with an effect size and a set of boundary conditions. We walk through the theory, the principles, and their numbers. Then we do the harder and more honest thing. We look at how big these effects really are once you step outside Mayer's own lab, why several have shrunk as the evidence accumulated, and where the whole enterprise is genuinely contested. The message is simple. Combining words and pictures is not automatically better. It is better only when the design respects the limits of a narrow mental channel.\n\nKey Topics Covered\n\nThe hundred year history of a wrong question: from Edison's 1922 prediction to educational film, radio, and television, each new medium promised a revolution and quietly failedRichard Clark's grocery truck argument: media are mere vehicles, it is the method that teaches, not the mediumMayer's shift from a question centered on technology to one centered on the learner, and the value added idea of changing one design variable while holding the medium constantThe Cognitive Theory of Multimedia Learning: two channels, limited capacity,...","thumbnail_url":"https://img.transistorcdn.com/FqjMDaQUSm1bYfkwwD6aDUnSGdwLjCiheWhxBb00zow/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS84YjIz/YzkwMzlmNGM5YmEw/NTJkOGYyMTk0YTMw/ZWM0Zi5wbmc.webp","thumbnail_width":300,"thumbnail_height":300}