This document compares the Dick and Carey instructional design model to the ADDIE model. Both models follow a systems approach of analysis, design, development, and evaluation phases. The key differences are that the Dick and Carey model has nine phases compared to ADDIE's five phases, and it includes two evaluation steps rather than just one at the end. The ADDIE model is more broadly applicable but less agile, while the Dick and Carey model emphasizes goals, objectives, and testing but does not focus as much on implementation.