This document discusses different models for curriculum design: subject centered design, problem centered design, and learner centered design. The subject centered design model organizes curriculum around academic subjects. It includes designs organized by individual subjects, disciplines, correlations between subjects, and broad fields. The problem centered design model focuses on real world problems and life situations. It includes designs centered on core life problems. The learner centered design model places the learner at the center. It includes child centered design, experience centered design, and humanistic design that focuses on the learner's cognitive, psychomotor, and affective development.