6. D. D. Hammill, “Training Visual Perceptual Processes,”Journal of Learning Disabilities5 (1972): 552–559; D. D. Hammill and S. C. Larsen, “The Relationship of Selected Auditory Perceptual Skills and Reading Ability,” Journal of Learning Disabilities (1974): in press; D. D. Hammill and J. L. Wiederholt, “Review of the Frostig Visual Perceptual Test and the Related Training Program,” in L. Mann and D. A. Sabatino (eds.), The First Review of Special Education (Philadelphia: Buttonwood Farms, 1973); L. Goodman and D. D. Hammill, “The Effectiveness of the Kephart-Getman Activities in Developing Perceptual-Motor and Cognitive Skills,” Focus on Exceptional Children 2 (1973): 1–9; J. L. Wiederholt and D. D. Hammill, “Use of the Frostig-Horne Visual Perception Program in the Urban School,” Psychology in the Schools 8 (1971): 268–274.
7.
7. R. H. Barsch, “Teacher Needs—Motor Training,” in W. M. Cruickshank (ed.), The Teacher of Brain-Injured Children (Syracuse, New York: Syracuse University Press, 1966); G. N. Getman, How to Develop Your Child's Intelligence (Luverne, Minnesota: published by the author, 1962); G. N. Getman and H. H. Hendrickson, “The Needs of Teachers for Specialized Information on the Development of Visuomotor Skills in Relation to Academic Performance,” in Cruickshank, loc. cit.; N. C. Kephart, “The Needs of Teachers for Specialized Information on Perception,” in Cruickshank, loc. cit.; N. C. Kephart, The Slow Learner in the Classroom (Columbus, Ohio: Charles E. Merrill, 1971); M. Frostig and D. Horne, The Frostig Program for the Development of Visual Perception (Chicago: Follett Educational Corporation, 1964); M. Frostig, “The Needs of Teachers for Specialized Information on Reading,” in Cruickshank, loc. cit.
8.
8. Pitcher-Baker, op. cit.
9.
9. D. T. Campbell and J. C. Stanley, Experimental and Quasi-Experimental Designs for Research (Chicago: Rand McNally, 1966); S. Isaac and W. B. Michael, Handbook in Research and Evaluation (San Diego, California: Robert R. Knapp, 1972).
10.
10. S. A. Cohen, “Studies in Visual Perception and Reading in Disadvantaged Children,”Journal of Learning Disabilities2 (1969): 8–17; Frostig and Horne, The Frostig Program…, loc. cit.
11.
11. J. M. Wepman, “Auditory Discrimination, Speech, and Reading,”Elementary School Journal60 (1960): 325–333; A. Gesell, F. L. Ilg, and G. E. Bullis, Vision: Its Development in Infant and Child (New York: Hafner, 1967; facsimile of the 1949 edition); J. Piaget, The Origins of Intelligence in Children (New York: International Universities Press, 1966).
12.
12. J. H. Flavell, The Developmental Psychology of Jean Piaget (Princeton, New Jersey: D. Van Nostrand, 1963): 377.
13.
13. Goodman and Hammill, “The Effectiveness of the Kephart-Getman Activities…,” loc. cit.