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Direct linkWilhelmsen, Gunvor B – Improving Schools, 2016
Although good visual capacity is essential for children's learning, we have limited understanding of the various visual functions among school starters. In order to extend this knowledge, a small-scale study was undertaken involving 24 preschool children age 5-6 years who completed a test battery originally designed for visual impairment…
Descriptors: Preschool Children, Visual Impairments, Visual Acuity, Gender Differences
van den Broek, Ellen G. C.; Janssen, C. G. C.; van Ramshorst, T.; Deen, L. – Journal of Intellectual Disability Research, 2006
Background: The prevalence of visual impairments in people with severe and profound multiple disabilities (SPMD) is the subject of considerable debate and is difficult to assess. Methods: In a typical Dutch care organization, all clients with SPMD (n = 76) participated in the study and specific instruments adapted to these clients (requiring a…
Descriptors: Visual Impairments, Incidence, Multiple Disabilities, Visual Acuity
Download full textGroffman, Sidney – 1970
An experimental test of visual closure based on an information-theory concept of perception was devised to test the ability to discriminate visual stimuli with reduced cues. The test is to be administered in a timed individual situation in which the subject is presented with sets of incomplete drawings of simple objects that he is required to name…
Descriptors: Behavior Patterns, Children, Correlation, Depth Perception
