1. Content Classification
   1. Cognitive
   2. Affective
2. Systems
   1. Psychomotor Learning Tasks
   2. Facts, Concepts, Principles
   3. Procedures
   4. Integrated Goals
   5. Remember, Use, Find
   6. Verbal Information
   7. Intellectual Skills
   8. Cognitive Strategies
   9. Motor Skills
   10. Attitudes
   11. Well- and Ill-Structured Problems
3. Aspects of Content
   1. Information and Cognitive Load
   2. Visual Language
   3. Written Language
4. Basis of Sequencing
   1. Content Elaboration
   2. Generality, Example, Practice, Testing
   3. Hierarchy of Learning Tasks
   4. Job, Task and Procedure Order
   5. Learner-Controlled Sequence
   6. Nine Events of Instruction
   7. Part-Task and Whole-Task
   8. Strategies Simple to Complex
   9. Spiral Curriculum