Many studies have been done comparing individualized and basal reading programs, but few have employed a valid attitude scale to evaluate attitudes toward reading at the primary level.
Warren, A., & Frederick, E. C. (1975). A Comparative Study of Attitudes of First Grade Children in Two Reading Programs--Individualized and Basal. Reading Horizons, 15 (4). Retrieved from http://scholarworks.wmich.edu/reading_horizons/vol15/iss4/2