Allen, Donald B. “That You May Discern What Is Best: Discovering Fruitful Practices for Reaching Out to Followers of Other Faiths.” Proceedings of the Fifth Lausanne Researchers Conference. Geelong, Australia, 2008. Fruitful practices are an emerging method of missiological research and its potential for helping workers to keep “the end in mind” as they share God’s love with peoples of other faiths. This paper includes a historical overview of the concept as well as its foundational assumptions and cautions as an interdisciplinary method of research.