Brainstorming
It is a group method for obtaining new ideas and solutions, not assessing them
Problem-Inventory Analysis
: various ideas to solve the problem is listed out to generate ideas
Checklist method:
generate a complete long-list of all the related issues with respect to the problem, to generate ideas then
Parameter Analysis
focusing on a list of parameters or measurements and focus on a creative synthesis of the generated ideas
Others,
Fish bone or pareto (80/20) rule
Idea Generation