Text Options for the Visually Impaired Font Size: a- A+ Color: A A A Revert 
Close vision bar
Open vision bar
SIOP Model



The Sheltered Instruction Observation Protocol (SIOP) was developed to make content more comprehensible to English Language Learners. The model was developed by Jana Echevarria and Mary Ellen Vogt and Deborah J. Short.

The SIOP Model includes the following 8 Components:

1. Lesson Preparation

2. Building Background.

3. Comprehensible Input.

4. Strategies.

5. Interaction

6. Practice and Application

7. Lesson Delivery

8. Review and Assessment