Factors Affecting Traceability of Lines for Tactile Graphics

Author:

Bentzen Billie Louise1,Peck Alec F.2

Affiliation:

1. Dual Program for Teachers of the Visually Handicapped and Teachers of Orientation and Mobility, Chestnut Hill, Massachusetts.

2. Special Needs Program, Division of Special Education and Rehabilitation, Boston College, Chestnut Hill, Massachusetts.

Abstract

To facilitate appropriate line choice for tactile graphic displays, 42 visually impaired subjects traced four types of tactile lines in a simple display (without intersections), and in a complex display (having intersections). The lines were single smooth, double smooth (1/4 in. [. 635 cm] spacing), single rough, and double rough. Measures were taken of time to complete the task, “behaviors” other than the continuous tracing of a line, and “restarts,” in which subjects required assistance to complete the task. The results indicate which line types may be more readily traced in displays with and without intersections.

Publisher

SAGE Publications

Subject

Rehabilitation,Ophthalmology

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1. Guidelines for Standardizing the Design of Tactile Maps: A Review of Research and Best Practice;The Cartographic Journal;2022-07-03

2. Designing Interactive Audio-Tactile Charts Grounded In Current Practices of Tactile Graphics Production;Designing Interactive Systems Conference;2022-06-13

3. Usability of Accessible Bar Charts;Diagrammatic Representation and Inference;2010

4. Designing Interactive Tactile Diagrams;Lecture Notes in Computer Science;2002

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