Key points are not available for this paper at this time.
Gerald Gordon, Ann E. MacEachron, G. Lawrence Fisher, A Contingency Model for the Design of Problem-Solving Research Programs: A Perspective on Diffusion Research, The Milbank Memorial Fund Quarterly. Health and Society, Vol. 52, No. 2 (Spring, 1974), pp. 185-220
Gordon et al. (Tue,) studied this question.