Assess the learner’s ability to apply behavior-change theories (e.g., Transtheoretical Model, Social Cognitive Theory, Self‑Determination Theory, COM‑B) and motivational interviewing techniques to design, tailor, and evaluate physical activity interventions for adults with type 2 diabetes; include selecting theory-aligned behavior-change techniques, outlining intervention components and fidelity measures, choosing process and outcome metrics (behavioral, clinical, psychosocial), planning appropriate evaluation designs (trial types, mixed methods) and addressing common barriers, comorbidities, equity and ethical considerations.