Forty-eight blind children, able to cope with set sizes of two and three, four, five or six serial items were tested on probed recall of Braille letters they could either name or discriminate. (Editor/RK)

This research tested the hypothesis that grouping has adverse effects on the recall of tactual shapes but facilitates the recall of tactual letters on the assumption that this depends on different processes. A further question was the relation of grouping to letter recall span (set-size).

The hypothesis that letters can be matched on the basis of tactual physical features was tested in three experiments with blind Braille-reading children. (Editor)

A new psychological test battery was designed to provide a much-needed comprehensive tool for assessing the perceptual and cognitive abilities of visually handicapped children in using active touch. The test materials consist of raised-line, raised-dot, raised-surface shapes and displays, and familiar and novel 3-D objects. The research used 20…