Reading Comprehension: Theoretical Basis and Instructional Techniques

Please help with these questions. Include reference citations within the paragraphs to support reflections. Include a reference list and specific citations from professional literature consulted.
1. What is the theoretical basis of comprehension?
2. How can knowledge of text structures be used to improve reading comprehension?
3. What are some major instructional techniques that could be used to improve reading comprehension?
4. What steps could be taken to improve the comprehension of all your students, especially struggling readers?