Educational theory plays a significant role in curriculum development as it provides a foundation for understanding how students learn and how to best engage them in the learning process. Theories such as constructivism emphasize the importance of active learning and student-centered approaches, influencing curriculum design to be more interactive and experiential. Incorporating diverse pedagogical theories allows educators to address various learning styles and needs, making the curriculum more inclusive. Additionally, integrating theories of assessment ensures that evaluation methods align with learning objectives, fostering a comprehensive educational experience for students.