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LaGrow, S. J.; Murray, S. – Journal of Visual Impairment and Blindness, 1992
This article illustrates use of the alternating treatment design to assess effectiveness of individualized interventions in low vision rehabilitation. The design was used to determine whether enlarging copy (to one of two magnification levels) and adding contrast would be effective in reducing the time a visually impaired student required to read…
Descriptors: Adults, Intervention, Low Vision Aids, Outcomes of Treatment