1. Brainwriting: generating new ideas in writing rather than orally -> add ideas to circulating list 2. Synectics (? no def. in book) 3. nominal-group technique (NGT): a face-to-face group session is prefaced by a nominal-group phase during which individuals work alone to generate ideas 4. Electronic brainstorming (EBS): using computer-based communication methods such as online discussions and real-time e-mail 5. Delphi technique: repeated assessment of members' opinions via surveys and questionnaires 6. Buzz groups (? no def. in book)