Publication Date
12-1-1981
Abstract
The IRI is composed of a series of graded materials, it is used to determine instructional level, and changes in reading level are recognized only when those changes affect accuracy and comprehension.
Recommended Citation
Leibert, R. E. (1981). The I R I: Relating Test Performance to Instruction--A Concept. Reading Horizons: A Journal of Literacy and Language Arts, 22 (2). Retrieved from https://scholarworks.wmich.edu/reading_horizons/vol22/iss2/6