1. Task
1.1. Selection
1.1.1. Self-selected
1.1.2. Required
1.2. Difficulty
1.2.1. Range
1.2.2. Standardized
1.3. Value
1.3.1. Participant
1.3.2. Organization
2. Authority
2.1. Role
2.1.1. Leader
2.1.2. Participant
2.2. Dependency
2.2.1. Independent
2.2.2. Collaborative
2.2.3. Instructor
2.3. Control
2.3.1. Employee
2.3.2. Other
3. Evaluation
3.1. Schedule
3.1.1. Progressive
3.1.2. Comprehensive
3.1.3. Both
3.2. Type
3.2.1. Project based assessment
3.2.2. Instrument assessment
3.2.3. None
3.3. Criteria
3.3.1. Measures outcome
3.3.2. Measures improvement
3.3.3. Measures process
4. Recognition
4.1. Rewards
4.1.1. Intrinsic
4.1.2. Extrinsic
4.2. Feedback
4.2.1. Scheduled
4.2.2. Random
4.3. Support
4.3.1. Individualized
4.3.2. Standard
5. Grouping
5.1. Topics
5.1.1. Categorical
5.1.2. Variable
5.2. Interactivity
5.2.1. Active
5.2.2. Passive
5.3. Partnerships
5.3.1. Teams
5.3.2. None
6. Time
6.1. Design
6.1.1. Self-paced
6.1.2. Fixed time period
6.2. Instructional
6.2.1. Task dependent
6.2.2. Content dependent
6.3. Engagement
6.3.1. Preparation
6.3.2. Group work
6.3.3. Student discussions/ Q&A
6.3.4. Research