For affordance-based design, which is especially lacking in the architecture field, this study investigates the relationships between affordances and interior elements in the built environment by understanding intrinsic affordances by users. The ethnographic case study was conducted by unobtrusively observing participant behaviours during given tasks using video recordings, voice recordings and photographs. The 32 affordances were identified in a public space containing 22 observed affordances and 10 issue affordances. The paper defines the hierarchical nature of the interior elements, including area-level, set-level, object-level and detailed attribute-level elements. An awareness of human-based affordances, where humans can create specific affordances using their bodies and belongings, was significant in the current research. The affordance-interior design element map can be used to support the identification of interior elements that are relevant to certain affordances and to distinguish which affordances are demanded by occupants in the built environment. Overall, designers could embed the affordance concept in the early stages of the design process by choosing more critical affordances and interior elements. The affordance-interior design element matrix and the map may be developed as an initial data repository for affordance-based interior design.
Background: Worldwide, children are increasingly being diagnosed with autism spectrum disorder (ASD). The case of South Korea is not exceptional. One of the core symptoms of children with ASD is sensory reactivity issues, such as an unusual interest in the sensory aspects of the environment. One promising development in sensory enrichment for individuals with ASD is a multisensory environment (MSE). Objectives: This study investigated the influence of MSE on the target behaviors of children with ASD with different sensory characteristics in the case of South Korea. Methods: A multiple treatment design {A-B-C-D (B + C) phases} was implemented to observe the six target behaviors of three children with ASD. The sensory environmental intervention focusing on visual and auditory stimuli was manipulated as a stimulating MSE or a relaxing MSE depending on the sensory profile of each participant. The analysis was undertaken using visual inspection with data patterns and graph slopes, which is a customary method of analyzing the single-subject design data. In addition, the means and standard deviations of the two target behaviors of each participant were analyzed together. Results: The findings reveal that MSE interventions positively affected the target behaviors of children with ASD with diverse sensory characteristics. The stimulating MSE created by the integration of visual and auditory stimuli was the most effective intervention for the participants with hypo-visual and hypo-auditory sensitivities in this study. Conclusions: The MSE could be meaningful as a nonpharmaceutical therapy that could influence the daily behaviors of children with ASD.
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