Summary.Teaching procedures designed to improve children's divergent thinking abilities were administered to two classes of 9‐ and 10‐year‐old children, one formal and one informal, for one morning per week over a period of six weeks. Parallel classes covered the same material but without the emphasis on divergent production. The results suggest that appropriate teaching procedures can play a significant part in enhancing children's divergent thinking abilities, particularly verbal abilities. Similar improvements were attained in both types of experimental