This article presents evidence that prayer should play a major role in church growth. His study compares the commitment to prayer in growing and non-growing churches in The Wesleyan Church. His results confirm that prayer will be a core aspect of growing churches in the 21st Century.
Mull, M. (2000). Prayer and Church Growth. Journal of the American Society for Church Growth, 11(1), 69-77. Retrieved from https://place.asburyseminary.edu/jascg/vol11/iss1/6