Video design for Mobile learning 23 Context: Context within intervention; learning task; outcome; audience Purpose: Hook, Signpost, Engage, Activate, Sensitise, Elucidate, Reinforce, Consolidate Nature: Fun, serious, static/dynamic, (interactive), illustrate, demonstrate, challenge Cognitive level: Educational narrative - Exposition by teacher vs Independent exploration by learner. Encourage constructive learning Design principles: Language, screen layout, screen balance, develop/build screens up, text/audio/illustration/video relationship, (interactive elements), value of pauses, gender sensitivity Elements: Text, sound/audio, illustration, photo, video, animations. Each single element must have a purpose, must be well-designed Length: As short as possible