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Peer reviewedRayner, Keith – Journal of Experimental Child Psychology, 1986
Presents four experiments comparing the perceptual span in second-, fourth-, and sixth-grade readers and skilled adult readers. Suggests that the size of perceptual span is variable and influenced by text difficulty. Concludes that the size of perceptual span does not cause slow reading rates in beginning readers. (Author/DR)
Descriptors: Adults, Beginning Reading, Elementary Education, Elementary School Students
Peer reviewedO'Connor, Peter D.; And Others – Journal of Learning Disabilities, 1990
Reading-disabled children (n=92) were classified as either scotopic or nonscotopic using the Irlen Differential Perceptual Schedule. Use of either colored or clear overlays over reading material resulted in improved reading rate, accuracy, and comprehension when scotopic children read with the preferred colored overlay filter. Nonscotopic children…
Descriptors: Color, Elementary Secondary Education, Eyes, Intervention


