Mary Forehand The University of Georgia Introduction One of the basic questions facing educators has always been "Where do we begin in seeking to improve human thinking?" (Houghton, 2004). Fortunately we do not have to begin from scratch in searching for answers to this complicated question. The Communities Resolving Our Problems (C.R.O.P.) recommends, "One place to begin is in defining the nature of thinking. Benjamin S. Although it received little attention when first published, Bloom's Taxonomy has since been translated into 22 languages and is one of the most widely applied and most often cited references in education. History In 1780, Abigail Adams stated, "Learning is not attained by chance; it must be sought for with ardor and attended to with diligence" ( quotationspage.com, 2005). The cognitive - knowledge based domain, consisting of six levels The affective - attitudinal based domain, consisting of five levels, and The psychomotor - skills based domain, consisting of six levels.