Reverse brainstorming generates solutions to criticisms for alternatives. This is done by listing all criticisms and solving these criticisms with new alternatives.
Executing the Method
For a smaller number of ideas, list all the criticisms per idea (in the example format above).
Generate solutions for each of these criticisms.
Compare Criticisms and Solutions
Compare and possibly discuss the criticisms and solutions.
A good rule for selecting is to select the alternative idea for which most criticisms could be solved.