The document discusses the Four P's model of creativity proposed by Rhodes, which categorizes creativity into four strands: product, person, process, and press. It then provides examples of how each category can be measured or evaluated, such as using an Adjective Checklist to measure traits in an individual that may indicate creativity. The document also discusses techniques used to foster creativity such as brainstorming, group support systems, and ensuring certain environmental factors and freedoms are in place.