Minding the gap: a comparative approach to studying the development of innovation / / Jackie Chappell, Nicola Cutting, Emma C. Tecwyn, Ian A. Apperly, Sarah R. Beck and Susannah K.S. Thorpe : Why is innovation important? ; Approaches to studying innovation ; Components of innovation ; Ill-structured problems ; Commentary : Minding the gap: problem construction and ill-defined problems /Roni Reiter-Palmon --