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Diagnostic Tests	2
Test Validity	2
Visual Perception	2
Exceptional Child Research	1
Factor Analysis	1
Identification	1
Learning Disabilities	1
Perception Tests	1
Perceptual Handicaps	1
Reading Ability	1
Vision Tests	1
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Journal of Learning…	1
Journal of Special Education	1

Author

Hammill, Donald D.	1
Marx, Ronald W.	1
Smith, Philip A.	1

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Frostig Developmental Test of…

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Diagnostic Valve of the Frostig Test: A Factor Analytic Approach

Peer reviewed

Hammill, Donald D.; And Others – Journal of Special Education, 1970

Results of three factor analyses on the Frostig DTVP subtests indicated that the test measures one general visual perception factor, rather than the five postulated by Frostig. (Author/KW)

Descriptors: Diagnostic Tests, Test Validity, Vision Tests, Visual Perception

Some Cautions on the Use of the Frostig Test: A Factor Analytic Study

Peer reviewed

Smith, Philip A.; Marx, Ronald W. – Journal of Learning Disabilities, 1972

Evaluation of the Frostig Developmental Test of Visual Perception found that it measured a single general factor of perceptual organization which was weakly related to IQ and unrelated to reading ability. (KW)

Descriptors: Diagnostic Tests, Exceptional Child Research, Factor Analysis, Identification