A well-developed lesson plan should:

A well-developed lesson plan is essential for ensuring consistency and effectiveness in instruction. By promoting uniformity of instruction, the lesson plan serves as a structured guide that allows different instructors to deliver the same content using similar methods, maintaining a standard of education across various sessions or locations. This consistency helps students to have a similar learning experience, regardless of which instructor is teaching the lesson.

In contrast, other options outline aspects that are not ideal for effective lesson planning. A lesson plan should be a detailed and adaptable document, so presenting it merely as a sketch or outline does not capture the depth required for effective teaching. Additionally, expecting a lesson plan to remain unchanged throughout its execution fails to acknowledge that teaching often needs to adjust based on student responses and contextual factors. Lastly, focusing solely on theoretical concepts neglects the importance of practical application in learning; effective lesson plans incorporate both theory and practice to enhance student understanding and engagement.