Descriptor
Hypothesis Testing | 3 |
Learning Disabilities | 3 |
Research Methodology | 3 |
Visual Perception | 3 |
Etiology | 2 |
Exceptional Child Research | 2 |
Learning Theories | 2 |
Opinions | 2 |
Cognitive Processes | 1 |
Dyslexia | 1 |
Literature Reviews | 1 |
More ▼ |
Source
Journal of Learning… | 3 |
Publication Type
Journal Articles | 3 |
Opinion Papers | 2 |
Reports - Research | 2 |
Information Analyses | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
The Validity of Perceptual Deficit Explanations of Reading Disability: A Reply to Fletcher and Satz.

Vellutino, Frank R. – Journal of Learning Disabilities, 1979
In the article the author refutes J. Fletcher and P. Satz's analysis of the etiology of reading disability on logical, theoretical, and empirical grounds. (Author/PHR)
Descriptors: Etiology, Exceptional Child Research, Hypothesis Testing, Learning Disabilities

Fletcher, Jack M.; Satz, Paul – Journal of Learning Disabilities, 1979
In the rejoinder the authors describe the methodological and interpretive factors in the Vellutino et al, experiments which limited the degree to which the studies refuted perceptual deficit hypotheses of reading disability. Note: for more of the interchange see EC 114 687-688. (Author/PHR)
Descriptors: Etiology, Exceptional Child Research, Hypothesis Testing, Learning Disabilities

Gross, Karen; Rothenberg, Stephen – Journal of Learning Disabilities, 1979
Two methodological problems often arising in dyslexia research are considered. The first problem concerns the validity of experimental measures and the related problem of interpreting null results. The second problem involves the effects of sampling from a disabled population if the disorder under investigation has multiple unknown origins.…
Descriptors: Cognitive Processes, Dyslexia, Hypothesis Testing, Learning Disabilities