- Validation of the Sexual Self-Determination Competency Assessment Scale
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Yu-jeong Son, Hyeon-gi Hong, Ki-pyoung Kim, Hyung-ki Ji, Hye-hyun Cho, Chae-bin Lee, Myoung-Ho Hyun
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STRESS. 2025;33(1):33-44. Published online March 28, 2025
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DOI: https://doi.org/10.17547/kjsr.2025.33.1.33
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 Abstract
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- Background
This study aims to refine and validate the Sexual Self-Determination Competency Assessment Scale (2020) to enhance its effectiveness.
Methods
The scale comprises self-reported and scenario-based sections. We revised item phrasing; expanded content to better address sexual crimes involving children, adolescents, and individuals with intellectual disabilities; and adjusted the scoring method for better comprehension by individuals with intellectual disabilities. The revised scale was administered to 500 middle and high school students aged 14∼18 to assess reliability and validity. Additionally, we replaced Likert-scale items with open-ended questions to minimize response bias in the scenario-based section. Interviews were conducted with 17 adolescents and individuals with intellectual limitations.
Results
The self-report section demonstrated content validity through an expert review of item appropriateness. Construct and criterion validities were confirmed through statistical analyses. The internal consistency was also high. In the scenario-based section, four open-ended questions were finalized based on interview data, and five scoring criteria were developed to evaluate responses.
Conclusions
This study improved the format and content of the existing scale, thereby enhancing its applicability in investigative and practical contexts. Notably, modifying scenario-based items to an open-ended format enables a qualitative assessment of perception, judgment, and coping abilities in sexual offense scenarios, representing a significant contribution to the field.
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