ABSTRACT

This study aimed to investigate the perceptions of welfare institution staff regarding the intervention competencies for challenging behaviors in adults with developmental disabilities, analyze the importance and implementation levels, and derive priorities. For this purpose, a questionnaire was developed based on previous research and administered to 92 staff members of welfare institutions supporting adults with developmental disabilities. The collected data was analyzed using IPA analysis, Borich’s needs assessment, and LF model analysis. The results were as follows; First, there was a significant difference between the perceived importance and implementation levels of intervention competencies for challenging behaviors in adults with developmental disabilities. Secondly, LF model analysis identified eight priority competencies, with key areas focusing on “prevention of challenging behaviors and environmental arrangement,” “enhancement of implementation skills,” and “collaboration for enhancing implementation skills.” Based on the findings, implications were discussed, along with the limitations of the study and suggestions for future research. This study emphasized the complementary roles of enhancing intervention competencies in welfare institutions and policy support, highlighting its significance as a foundational resource for establishing an efficient and sustainable intervention system for supporting adults with developmental disabilities.

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