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Woerz, Marc; Maples, Willis C. – Journal of Learning Disabilities, 1997
The test-retest reliability of colored filter testing in relation to two symptom levels of dyslexia was evaluated using a forced-choice test procedure. Two tests, separated by two weeks, were conducted with 41 participants (ages 15 to 17). Results indicated poor test-retest reliability. (Author/DB)
Descriptors: Adolescents, Color, Dyslexia, Optometry

Buhrow, Melissa; Bradley-Johnson, Sharon – Research in Developmental Disabilities, 2003
Thirty students (ages 3-20) with profound mental retardation and 30 healthy, full-term infants (5-8 months) were shown 12 patterned stimuli, three times each. Both groups looked significantly longer at face patterns than other patterns. However, the students with mental retardation looked longer at black and white patterns than colored patterns,…
Descriptors: Adolescents, Children, Color, Early Childhood Education