Assess learners' ability to analyze and apply three habit-formation frameworks—cue–routine–reward, Tiny Habits, and implementation intentions—to design evidence-based interventions for complex, multi-step behavior change. Items will require comparison of mechanisms, identification of boundary conditions and scalability challenges, diagnosis of real-world scenarios, and construction of intervention plans that specify cues, micro-routines or anchors, rewards, implementation-intention phrasing, measurement strategies, and maintenance/adaptation tactics; include evaluation of trade-offs and ethical considerations.