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Rosenblum, L. Penny; Cheng, Li; Zebehazy, Kim; Emerson, Robert Wall; Beal, Carole R. – Journal of Visual Impairment & Blindness, 2020
Teachers of students with visual impairments clearly have an important opportunity to promote graphics literacy skills for students with visual impairments through providing descriptions to make educational content accessible. Guidelines for appropriate image descriptions have been developed by the National Center on Accessible Materials (NCAM), a…
Descriptors: Visual Impairments, Teaching Methods, Mathematics Instruction, Blindness
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Bourquin, Eugene A.; Emerson, Robert Wall; Sauerburger, Dona; Barlow, Janet – Journal of Visual Impairment & Blindness, 2017
Introduction: A new market trend offers long canes for individuals with visual impairments in a variety of colors; however, the impact of these colors is unknown to orientation and mobility (O&M) specialists and individuals who are blind or who have low vision. The authors examined the impact of cane color on drivers' yielding behaviors; also,…
Descriptors: Visual Impairments, Color, Pedestrian Traffic, Assistive Technology
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Schuck, Lydia; Emerson, Robert Wall; Kim, Dae Shik; Nelson, Nickola Wolf – Journal of Visual Impairment & Blindness, 2018
This study examined eight variables of the Teaching Age-Appropriate Personal Skills (TAPS) checklist (Pogrund et al., 1995). The goal was to identify potential orientation and mobility (O&M) factors to represent constructs underlying the data that could be used in the future to better research the college readiness of youths who are visually…
Descriptors: Visually Impaired Mobility, Check Lists, Visual Impairments, Blindness
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Emerson, Robert Wall; Anderson, Dawn L. – Journal of Visual Impairment & Blindness, 2018
Introduction: Because of the preponderance of visual images, many mathematics texts are wholly or largely inaccessible to students who are blind. This study investigated how much description is sufficient to communicate math content in different types of images. Methods: Representative math textbooks from grades five, eight, and 11, aligned to the…
Descriptors: Visual Impairments, Blindness, Teaching Methods, Mathematics Instruction
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Emerson, Robert Wall; Anderson, Dawn – Journal of Visual Impairment & Blindness, 2018
Introduction: Visually impaired students (that is, those who are blind or have low vision) have difficulty accessing curricular material in mathematical textbooks because many mathematics texts have visual images that contain important content information that are not transcribed or described in digital versions of the texts. However, little is…
Descriptors: Mathematics Instruction, Mathematics, Textbooks, Visual Impairments
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Siu, Yue-Ting; Emerson, Robert Wall – Journal of Visual Impairment & Blindness, 2017
Over the last decade, many innovations have significantly changed the classroom. As a result, the authors believe the roles of vision professionals, primarily teachers of students with visual impairments, orientation and mobility (O&M) specialists, and braille transcribers, have likewise changed drastically in that time period. Although the…
Descriptors: Rehabilitation, Visual Impairments, Special Education Teachers, Blindness
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Kim, Dae Shik; Emerson, Robert Wall – Journal of Visual Impairment & Blindness, 2012
Although individuals who are blind have used a stick or a cane for their independent travel since the early years of human history, designs for modern long canes did not appear until World War II, when the systematic long cane techniques were developed by Hoover (1962). Ergonomic factors, such as the length of the cane, may affect how well a cane…
Descriptors: Travel Training, Visually Impaired Mobility, Assistive Technology, Blindness
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Emerson, Robert Wall; Anderson, Dawn – Journal of Visual Impairment & Blindness, 2014
For many years, increasing caseloads for vision professionals have caused concerns about the impact on educational services. Average caseload sizes in the literature have remained fairly consistent across decades, with 19.5 students per professional in the 1980s (Pelton, 1986), 18 students in the 1990s (Griffin-Shirley, McGregor, and Jacobson,…
Descriptors: Visual Impairments, Blindness, Severity (of Disability), Student Needs
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Kim, Dae Shik; Emerson, Robert Wall; Curtis, Amy – Journal of Visual Impairment & Blindness, 2010
This study examined the interaction effects of the amount of practice and the cane technique used in drop-off detection with a sample of 32 adults who were blind. The advantage of the constant contact technique over the two-point touch technique was significantly greater for the less experienced cane users than for the more experienced ones.…
Descriptors: Blindness, Visually Impaired Mobility, Drills (Practice), Methods
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Emerson, Robert Wall; Kim, Dae Shik; Naghshineh, Koorosh; Pliskow, Jay; Myers, Kyle – Journal of Visual Impairment & Blindness, 2011
Participants who are blind discriminated vehicle paths and made crossing decisions for hybrid vehicles with and without artificial sounds added. Several artificial sounds matched the performance of tasks observed with vehicles with internal combustion engines. These data, with previous vehicle-detection results, indicate that selecting artificial…
Descriptors: Pedestrian Traffic, Blindness, Motor Vehicles, Acoustics
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Emerson, Robert Wall; Holbrook, M. Cay; D'Andrea, Frances Mary – Journal of Visual Impairment & Blindness, 2009
The Alphabetic Braille and Contracted Braille Study examined the reading and writing skills of young braille-reading students. Students who were introduced to more contractions earlier in instruction performed better on reading measures, such as vocabulary, decoding, and comprehension, but all students did well in spelling. Thus, the authors…
Descriptors: Braille, Writing Skills, Literacy, Reading Skills
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Freeland, Amy L.; Emerson, Robert Wall; Curtis, Amy B.; Fogarty, Kieran – Journal of Visual Impairment & Blindness, 2010
This article presents the findings of a secondary analysis of the National Longitudinal Transition Study 2 that explored the predictive association between training in access technology and performance on the Woodcock-Johnson Tests of Academic Achievement: III. The results indicated that the use of access technology had a limited predictive…
Descriptors: Visual Impairments, Standardized Tests, Program Effectiveness, Scores