ABSTRACT
Content Integrated skills that consist of multiple complex actions in a fl uid sequence • and changing circumstances
Learners All learners•
Learning environments Environments that have the appropriate tools (computers or other materi-• als) Instructional simulations or microworlds must have augmentations•
Instructional development constraints Simulation or microworld cost must not exceed either available resources • (money and time) or benefi ts
Values
about ends (learning goals) Understand principles and relationships in dynamic systems• Developing skills for dealing with complex systems•
about priorities (criteria for successful instruction) Eff ectiveness, effi ciency, and appeal can all be maximized, as long as the user • population is large enough to make it economical.
