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Description
Blind and visually impaired individuals have historically demonstrated a low participation in the fields of science, engineering, mathematics, and technology (STEM). This low participation is reflected in both their education and career choices. Despite the establishment of the Americans with Disabilities Act (ADA) and the Individuals with Disabilities Education Act (IDEA), blind and visually impaired (BVI) students continue to academically fall below the level of their sighted peers in the areas of science and math. Although this deficit is created by many factors, this study focuses on the lack of adequate accessible image based materials. Traditional methods for creating accessible image materials for the vision impaired have included detailed verbal descriptions accompanying an image or conversion into a simplified tactile graphic. It is very common that no substitute materials will be provided to students within STEM courses because they are image rich disciplines and often include a large number images, diagrams and charts. Additionally, images that are translated into text or simplified into basic line drawings are frequently inadequate because they rely on the interpretations of resource personnel who do not have expertise in STEM. Within this study, a method to create a new type of tactile 3D image was developed using High Density Polyethylene (HDPE) and Computer Numeric Control (CNC) milling. These tactile image boards preserve high levels of detail when compared to the original print image. To determine the discernibility and effectiveness of tactile images, these customizable boards were tested in various
university classrooms as well as in participation studies which included BVI and sighted students. Results from these studies indicate that tactile images are discernable and were found to improve performance in lab exercises as much as 60% for those with visual impairment. Incorporating tactile HDPE 3D images into a classroom setting was shown to increase the interest, participation and performance of BVI students suggesting that this type of 3D tactile image should be incorporated into STEM classes to increase the participation of these students and improve the level of training they receive in science and math.
university classrooms as well as in participation studies which included BVI and sighted students. Results from these studies indicate that tactile images are discernable and were found to improve performance in lab exercises as much as 60% for those with visual impairment. Incorporating tactile HDPE 3D images into a classroom setting was shown to increase the interest, participation and performance of BVI students suggesting that this type of 3D tactile image should be incorporated into STEM classes to increase the participation of these students and improve the level of training they receive in science and math.
ContributorsGonzales, Ashleigh (Author) / Baluch, Debra P (Thesis advisor) / Maienschein, Jane (Committee member) / Ellison, Karin (Committee member) / Arizona State University (Publisher)
Created2015
Description
Libraries provide a needed third place for students to engage with their peers and faculty, both academically and socially. Staff behavior, knowledge, and skills in providing an accessible and inclusive environment are key to helping students with disabilities feel that they belong in the libraries. This makes training in disability and accessibility awareness a necessary component of the overall program for the library. This study assessed a locally-developed, online training program for staff of all levels that was intended to improve staff knowledge and skills in disability etiquette, library services and spaces that support people with disabilities, and the policies that govern this work. The program used the four-part Deines-Jones (1999) model for its content and the core principles of andragogy for its instructional design. Assessment focused on changes in beliefs and knowledge using an adapted standardized scale, and evidence for learning from responses to training program questions, focus group discussions, and survey responses. Further development of the training program was informed by the principles of andragogy. Participants in the training program improved their scores in the knowledge domain but had no change in their beliefs domain. Learning was most evident in spaces where it engaged with previous knowledge and supportive customer service approaches. Participants identified and, in several cases, independently pursued new questions that were prompted by the training program. On the whole, participants found the training to be supportive and engaging, with minor changes to structure and focus recommended for the next iteration.
ContributorsVaughan, K.T. (Author) / Bernstein, Katherine (Thesis advisor) / Puckett, Kathleen (Committee member) / VanScoy, Amy (Committee member) / Arizona State University (Publisher)
Created2019