This book focuses on finding a way to sustain or enhance the learners' motivation during the learning process within a Web-Based Intelligent Tutoring System (WITS) environment. Studies showed that one of the biggest challenges in asynchronous e-learning environments (such as WITS) is how to keep learners motivated for the entire learning process. Thus, the main question was how best the system should behave in order to sustain or enhance the learners' motivation in such environments. This book suggested that the WITS may use motivational tactics rules to sustain/enhance the learners' motivation during the learning process. The first phase of this study uses an interview approach to extract the motivational tactics rules. The result of the interviews was extracting 64 motivational tactics rules in the form of event-condition-action. Those rules were validated in the second phase of this study using a questionnaire involving 120 participants. After extracting and validating the motivational tactics rules the third phase of this study was conducted in the form of quasi-experimental, using quantitative methods to evaluate the effectiveness of the extracted motivational tactics rules