Rapid Prototyping

An Instuctional Design

What it is

Rapid prototyping is a a spiral or layering approach to instructional design, that was developed by Tripp and Bichelmeyer in 1990, and encompasses:

  • defining a concept
  • making a skeletal prototype
  • tesing it
  • evaluating the concept
  • refining
  • testing
  • refining
  • Continue until implementation of the refined concept

Context for Use

Rapid prototyping can be used instead of conventional methods:

  • When complex factors such as communication problems need plasticity or modularity.
  • Where there is experience, but a lack of satisfaction with results.
  • When there is little experience to draw from

Advantages of Use

  • Encourages and requires active student participation in the design process
  • Can increase creativiity through quicker feedback
  • Errors can be detected earlier
  • Reduces development time and cost
  • More flexibility
  • Results in a better product

Disadvantages of Use

  • Does not replicate the real thing
  • Can lead to a design-by-repair philosophy
  • Does not eliminate the need for front-end analysis
  • Cannot substitute completely for paper analysis
  • can result in some instructional design problems
  • Can lead to premature commitment to a design
  • May lead to designs that get out of control