Test Accessibility: Item Reviews and Lessons Learned from Four State Assessments

Table 1

Test item accessibility levels.

Level	Description	Heuristic
4	Maximally accessible for nearly all test takers	Optimally accessible for 95–99% of the population
3	Maximally accessible for most test takers	Optimally accessible for 90–95% of the population
2	Maximally accessible for some test takers	Optimally accessible for 85–90% of the population
1	Inaccessible for many test takers	Optimally accessible for less than 85% of test takers