Effective Use of Interaction

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Effective Use of Interaction

• CSCI220 Multimedia Literacy

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What makes Interaction?

• Questions that require thinking
• Provide thought provoking questions
• Learn more from information they develop
  themselves by mentally processing input
• Ask questions about previously presented material
• Use different question formats

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What makes Interaction?

• Active Participation in Educational Game
• Providing Feedback
• Building on Current Knowledge and Experience
• Learner Control of Pace and Sequence
• Student Comments and Annotations

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Input Devices - Keyboard

• Every computer has one no extra cost
• Users already familiar with it
• Allows for short or long answers
• Some not comfortable with keyboards
• Possible spelling mistakes or other errors
• - Poor typers will spend time looking for keys

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Input Devices - Keyboard

• Notes
• Minimize number of required keystrokes
• Be careful how keyboard keys are referenced
• Use actual key names, not assigned names
• Keep in mind not all keyboards are the same

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Input Devices - Mouse

• Effective for many user skills
• Provides accurate responses
• Inexpensive, usually already available
• Cannot replace some skills (typing)
• Novices have trouble dragging, double clicking
• Mice are easy to steal

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Input Devices - Mouse

• Notes
• Mouse input can allow for drag expands
  computers teaching potential by enabling users
  to build and assemble
• Mouse input most common multimedia input device
• Trackballs function in same way as mice

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Input Devices Touch Screen

• Easy to use, effective in supporting teaching
• Easier to learn than mouse and keyboard
• Harder to steal than mice
• Cannot support typing, etc
• Fingers make imprecise pointing tools
• Can become dirty
• Additional cost to system (200)

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Input Devices Voice Input

• Most natural and practical form of input
• Access by visually impaired, blind and
  physically challenged users
• Allows for fast and easy answer responses
• Take dictation and annotations
• Free users hands so they can work concurrently
  with real objects

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Input Devices Voice Input

• May require system to be trained in users voice
• Computer may misinterpret voice input if
  background noise present
• Speech-recognition techniques have not mastered
  all of languages idiosyncrasies
• Voice-input data is large
• Not fully developed

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Input Devices - Pen

• Useful alternative for users with poor
  keyboarding capabilities
• Allow for quick and easy response from user,
  selection or writing
• Poor handwriting may not be recognizable
• Difficult to edit mistakes
• Added cost to system

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Input for Presentations

• Digital Chalk/Markers
• Wireless pointing device
• Laser pointer