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| Principle | Description |
|---|---|
| Segmenting | Allow the learner to control the pace of multimedia presentations. Bad Example: The presentation is delivered as an 11-minute video. Good Example: The presentation is delivered as a series of 1- to 2-minute videos. |
| Pretraining | Provide an opportunity for learners to learn basic, prerequisite content before launching a more complex multimedia presentation. Bad Example: The learner is launched immediately into a video demonstration using unfamiliar vocabulary. Good Example: The learner reviews unfamiliar vocabulary before launching the video demonstration. |
| Modality | When possible, use graphics with spoken text rather than graphics with written text. This principle may not apply to learners with higher levels of expertise in the a given subject areasarea2. Bad Example: The learner's attention is split between the graphics and text. Good Example: The learner processes visuals and audio independently, resulting in higher cognitive capacity. |
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| Principle | Description |
|---|---|
| Multimedia | Present words and pictures rather than words alone. Bad Example: Text On-screen text is presented without any visual representation. Good Example: TextA corresponding visual representation is presented alongside the on-screen text. As a result, the learner builds connections between the verbal and visual representations. |
| Personalization | Use a conversational tone rather than a formal tone. Bad Example: Text Good Example: Text |
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