Item Reduction, Psychometric and Biometric Properties of the Italian Version of the Body Perception Questionnaire-Short Form (BPQ-SF): The BPQ-22.

In addition, we carried out the Wilcoxon signed-rank test to investigate the absolute stability of scores, and found that, despite the tests were statistically or marginally significant, the effect sizes suggested that these differences were negligible (BOA/SUB: Z(98) = −1.95, p = 0.05, r = −0.14; SUP: Z(98) = −2.12, p = 0.034, r = −0.15; BOA: Z(98) = −3.12, p = 0.002, r = −0.22). 4.

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