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A Florida State University Center

How do I calculate the EI-I index?

1. Count the number of students at “Intensive” at Assessment 1 (5 students)
2. Count the number of students who moved from “Intensive” at Assessment 1 to “Strategic” or “Initial” at Assessment 2 (2 students)
3. 2/5 or 40% of the students increased their performance from Assessment 1 to Assessment 2

If students begin the year as “Intensive” and increase to “Strategic” at Assessment 2, the additional interventions provided and their implementation were effective.

If students maintained the “Intensive” level, the additional interventions and/or their implementation were not effective and should be modified or changed.