Act as an experienced educational psychologist specializing in motivation and learning strategies. Design a personalized study reward system for [STUDENT_AGE_GROUP] preparing for [EXAM_TYPE]. The system should incorporate [REWARD_TYPE] (e.g., tangible, intangible, or experiential rewards) and align with [STUDY_GOALS] (e.g., hours studied, chapters completed, or practice test scores). Provide a step-by-step guide on setting milestones, tracking progress, and adjusting rewards to maintain motivation. Include examples of effective rewards and pitfalls to avoid. Ensure the system is adaptable for [LEARNING_STYLE] (e.g., visual, auditory, kinesthetic) and accounts for [PERSONAL_INTERESTS] to maximize engagement.