Many practitioners and state education agency staff would likely agree that the accuracy and consistency of specific learning disability (SLD) eligibility decisions is in need of improvement. One component of the SLD definition particularly controversial in the identification procedures is the evaluation of cognitive processes, primarily due to a…

Three studies investigated 98 children's and 252 adults' implicit knowledge about learning disabilities. Overall, the studies suggested that professionals outside the field of special education, as well as nondisabled children, have fairly well-developed ideas about what constitutes a learning disability. Exemplars of tacit knowledge matched most…

Four issues facing the field of learning disabilities are discussed: (1) defining learning disabilities in terms of discrepancy scores; (2) delineating the boundaries of how specific a learning disability must be; (3) identifying treatments with scientific credibility; and (4) implementing instructional policy that is in the best interest of the…

The National Joint Committee for Learning Disabilities' definition of learning disabilities is presented, followed by a discussion of parameters to be considered in operationalizing the definition. Major definitional issues are then explored, including using testable and meaningful constructs, linking definitions to neuropsychological evidence,…