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本研究の目的は,初の国産ギャンブリング障害尺度であるパチンコ・パチスロ遊技障害尺度(PPDS)の短縮版を開発することである。項目と,因子の合計得点との相関などを用いて原版から少数の項目を抽出し,3つの候補となる項目群(3,4,6項目版)を得た。次いで,それらの項目群の信頼性・妥当性を比較検討し,6項目版を採択した。また,その6項目版の性能を評価するため,原版の信頼性・妥当性との比較を行ったところ,短縮版は合計得点においてのみ原版の代替となり得ることが示された。この短縮版が原版とともにさまざまな場面で活用されることで,日本の障害対策が進展することが期待される。
The objective of this study was to develop a short version of the first domestic gambling disorder scale, the Pachinko-Pachislot Playing Disorder Scale (PPDS). Considering the item-total correlations of the subscales and the difficulty of endorsement for each item, a small number of items were extracted from the full scale to yield 3 candidate item-groups (3-, 4-, and 6-item scales). Next, a comparative examination of their reliability and validity was conducted, and the 6-item scale was selected. Then, to evaluate the performance of the 6-item scale, its reliability and validity were compared with those of the full scale. The results indicated that the short version could serve as a replacement for the full scale only in total points. We hope that our country's preventative measures against gambling disorder will progress by applying this short version along with the full scale in a variety of situations.
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