PLAGIARISM FREE "A" WORK IN 8 HOURS or LESS

Discuss the expanded model of Tyler's rationale (educational purpose, scope and content, structure and sequence, and the evaluation). Discuss what is involved with each of these 4 parts, and how do they interplay? 

From the standpoint of the teacher, which would you 'debate' as the most important part of curriculum design? (A MINIMUM OF 1 PAGE)