| Stage | Description |
| Preparation | The problem is defined, observed and its dimensions studied |
| incubation | The problem is put to one side and internalized into the unconscious mind |
| intimation | The creative person gets a “feeling” that a solution is on its way |
| illumination/insight | The creative idea bursts emerge from its preconscious processing into conscious awareness |
| verification | The idea is consciously verified, elaborated, and implemented |