The psychologist Adrian Furnham, PhD, puts it even more bluntly. “The evidence from science suggests that businesspeople must be insane to use brainstorming groups,” he writes. “If you have talented and motivated people, they should be encouraged to work alone when creativity or efficiency is the highest priority.”

The psychologist Adrian Furnham, PhD, puts it even more bluntly. “The evidence from science suggests that businesspeople must be insane to use brainstorming groups,” he writes. “If you have talented and motivated people, they should be encouraged to work alone when creativity or efficiency is the highest priority.”