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| Principle | Description |
|---|---|
| Segmenting | Allow the learner to control the pace of multimedia presentations. Sync corresponding visuals and audio. 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. On-screen text requires split attention between graphics and text. Bad Example: Text Good Example: Text |
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