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KMID : 1123620200180020015
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Journal of Korean Society of Sensory Integration Therapists
2020 Volume.18 No. 2 p.15 ~ p.28
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Construct Validation of the Short Sensory Profile-2 (SSP-2) for Children With Autism Spectrum Disorder
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Bak Ah-Ream
Yoo Doo-Han
Hong Deok-Gi
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Abstract
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Objective : The purpose of this study was to verify the construct validity of Short Sensory Profile-2 (SSP-2) for children with Autism Spectrum Disorder (ASD).
Methods : Data were collected from SSP-2 for 120 parents of ASD children. Raw data were analyzed by applying the Rasch analysis to the goodness fit of person and item, item difficulty, rating scale, and separation reliability of SSP-2.
Results : 7 persons in sensory processing area and 8 persons in behavioral response area were inappropriate criteria and excluded from the analysis. Item goodness-of-fit analysis determined that the If the Mnsq value is between 0.6 and 1.4 and the Z value is outside the ±2 range for nonconformity. this study All items in the instrument were found to have appropriate criteria. Item difficulty analysis in sensory processing area was high in item 13 (.48 logit) and low in item 10 (-.54 logit). In the behavioral response area, item 25 (1.58 logit) was high and item 30 (-.68 logit) was low. In the rating scale analysis, it was found that the 3-point scale is more appropriate than the 5-point scale. The separation reliability of sensory processing area was .90 and the behavioral response area was .95.
Conclusion : This study verified the construct validity of SSP-2 and expected to be applied as a useful evaluation tool for children with ASD.
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KEYWORD
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Autism Spectrum Disorder, Construction Validity, Rasch analysis, Short Sensory Profile-2
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