While developing his AIDS-fighting drug, Dr. N studied the work of other scientists whose attempts at developing an enzyme-blocking drug had failed. He was able to see the similarities and the differences in his research and theirs and to build on their success while avoiding their failures. Dr. Ns creative powers were working at a subconscious level even when he was away from his work, not even thinking about his research. What kind of thinking did Dr. Navia use in his research?

(managment)