DESIGN AND EVALUATION OF LOW-COST ASSISTIVE DEVICE FOR STUDENTS WITH VISUAL IMPAIRMENTS IN MINNA, NIGER STATE
Abstract
This study designed and evaluated a low-cost assistive device (Smart Walking Stick) to
enhance mobility, independence, and educational access for students with visual
impairments in Minna, Niger State. Guided by a developmental research design based
on the ADDIE model (Analysis, Design, Development, Implementation, and
Evaluation), the study employed both quantitative and qualitative methods. Data were
collected using questionnaires and observation checklists from 30 participants
comprising visually impaired students, special education teachers, and administrators.
Results revealed that assistive technology usage in schools was low, with limited
availability (50%) and inadequate training (63.3%). Cost was identified as a major
limiting factor (83.4%), emphasizing the need for affordable solutions. The developed
device was rated highly functional, with users demonstrating improved navigation,
comfort, and reliability in real school settings. Observation data indicated that the
device enabled safe, independent movement with minimal assistance. Furthermore,
83.3% of respondents agreed that the device enhanced confidence, independence, and
inclusion within the school environment. The findings indicate that low-cost,
contextually designed assistive technologies can significantly improve educational
accessibility and mobility for visually impaired learners. The study recommends scaling
up production and integrating such technologies into special education programs for
greater impac
Full-Text Access Notice
In accordance with the NERD Policy on promoting peer-reviewed publication, public access to the full text of a project, thesis or dissertation is restricted for three years, allowing the author and supervisors sufficient time to pursue peer-reviewed publication.
During this period, researchers with legitimate academic or research purposes may request authorisation directly from the author to enable NERD to release the indexed full texts of the work using the form below.