What is the relationship between accommodations & accessible instructional materials? How are they the same? How are they different? Is one a subset of the other?

AIM is a subset of Accommodations, but they are not the same.

Accommodations - change how students are instructed and assessed. Expectations do not necessarily change.

AIM is an accommodation focusing on presentation, response, setting and schedule

A commonality between the 2 are that they are made by the IEP team based on data