The doctoral project developed a self-assessment tool that was provided to individuals who have participated in seminars conducted in their countries to ascertain their evaluation of the impact of Haggai Institute's training vis-a-vis increased evangelistic engagement. Data was gathered from alumni from the following countries: Brazil, Colombia, Guatemala, Honduras, India, Indonesia, Malaysia, Mexico, Nigeria, Puerto Rico and South Africa. The project provides a useful instrument to measure the impact of a ministry's training on evangelism is doing. Chapter 1 develops the author's context of ministry, hypothesis, scope of the problem and theological foundations while establishing the need for measuring the curriculum's impact. Chapter 2 provides a literature review of the issue of Christianity around the world including a brief history of its development over the last century. It further discusses a brief history of Dr. Haggai's background and provides information as to the reasons and logic behind Haggai Institute as a ministry. Chapter 3 defines the scope of the project, the hypotheses it seeks to answer, and discusses the methodology used for the research. The chapter includes the discussion of the selection of participants and the initial summary of the participants' profiles. Chapter 4 presents the results of the accumulated data and the analysis of the data. The project's hypotheses are either supported or rejected. Chapter 5 presents the author's observations, conclusions and recommendations. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]