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Whiteside, John A. – Child Development, 1976
Threshold luminance necessary to evoke an eye movement was evaluated as a function of age (6-21 years) and visual angle (6-42 degrees from the fovea). (BRT)
Descriptors: Adults, Children, Elementary Secondary Education, Vision Tests
Peer reviewed Peer reviewed
Field, Jeffery – Child Development, 1977
Infants aged 3, 5, and 7 months were shown solid objects and comparable intangible images of objects both within and beyond possible arm's reach. The infants' emotional reactions and reaching behavior in the presence of the image stimuli were found to be very similar to their responses to the solid objects. (Author/JMB)
Descriptors: Emotional Response, Infants, Object Manipulation, Tactual Perception
Peer reviewed Peer reviewed
Vande Voort, Lewis; And Others – Child Development, 1972
The results fail to support the hypothesis that intersensory integration is the sole or even the primary developmental skill accounting for matching task improvement with increasing age. The hypothesis that retarded readers fail to develop skills in intersensory integration is also not supported. (Authors)
Descriptors: Auditory Perception, Auditory Tests, Data Analysis, Developmental Tasks