The White Hat Information. Wearing the white hat the students can visualise being explorers and making a map. A good place to start when wearing the white hat is to make note of all the information, formal and informal, that is readily available. The answer will provide an inventory. Formal information may include reports, statistics and facts.
Informal information tends to come from personal experience.
Describing our own feelings is Red Hat thinking, but reporting how others feel is White Hat thinking. The Black Hat Judgement. The words checking and checking out are important in explaining the uses of the Black Hat. It is critical thinking. Checking for logic - the validity of the logical argument.