Impact of the width and shape of the sliding board on design evaluation

• DOI: 10.1080/10400435.2024.2340669
• Publication Date: 2024-05-09T14:27:48Z
• Authors: Ryuji Katamoto; Masami Komiya; Yuto Ariji; Kenji Iwahashi; Yoshiteru Terashi; Hiromitsu Kobayashi; Yoshito Ehara; Tetsuo Hayashi

This study aimed to investigate how width affects the design evaluation of sliding boards with a new shape. Ten caregivers at a senior facility evaluated five types of boards every two weeks. The new shape board received high ratings as the width increased, with a SUS (System Usability Scale) score of 68.5 points (95% CI 60.6-76.4). Compared to the traditional rectangular board, which had a width of 250 mm and a thickness of 5 mm, the new shape board (with a central width of 163 mm and a thickness of 8 mm) received higher ratings by 0.68 points (95% CI 0.31-1.05)using a paired comparison method. The results of a quantitative study on the usability of sliding boards from the perspective of caregivers indicated that for similar board shapes with a length of 650 mm and a thickness of 8 mm, the evaluation increases as the width increases in the range of 130 mm to 163 mm at the center.