"Reading Expectancy Fonnulas: A Warning Note" by George A. Simmons and Bernard J. Shapiro? The authors state that a major problem in remedial reading programs is the identification of the disabled reader. Reading expectancy formulas have been proposed as one way to solve this problem. A comparison of three of these formulas revealed that reading expectancy is not an absolute concept but is highly relative to the specific method used to determine it. The authors conclude that such formulas can be misleading if used as more than a rough indicator of reading expectancy. The article appears in the May 1968 Journal of Reading.
McGinnis, D. J. (1968). Did You See?. Reading Horizons, 8 (4). Retrieved from http://scholarworks.wmich.edu/reading_horizons/vol8/iss4/6