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Adaptation and validation of the ITC - Sense of Presence Inventory for the Portuguese language

机译：ITC的适应与验证 - 葡萄牙语的存在库存感

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This investigation concerns the translation and validation of the ITC - Sense of Presence Inventory (ITC-SOPI) for the Portuguese-speaking population (in Europe), estimating the validity of the content and concepts and the maintenance of an equivalent semantics. It also sought to verify its psychometric properties, namely its factorial validity and internal consistency. The sample consisted of 459 individuals, 274 males and 185 females. The fidelity of the subscales varied between 0.67 and 0.89. Confirmatory factor analysis revealed a theoretical model of 35 items, divided by four factors. After fixing some of the residual errors between items, the following adjustment indexes were calculated: chi(2)/df = 2.301; goodness fit index = 0.860; comparative fitness index = 0.889; root mean square error of approximation = 0.053; Akaike's information criterion = 1420. Based on the observed results and the robustness of the sample size used, the obtained theoretical model shows that the ITC-SOPI is recommended to measure presence in virtual reality research projects with samples of Portuguese language speakers.
机译：这项调查涉及ITC的翻译和验证 - 葡萄牙语人口（欧洲）的ITC展览会（ITC-SOPI），估计内容和概念的有效性以及维持等同语义。它还试图验证其心理测量属性，即其因子有效性和内部一致性。该样本由459人，274名男性和185名女性组成。分量的保真度在0.67和0.89之间变化。确认因素分析显示了35件物品的理论模型，除以四个因素。在修复物品之间的一些残留误差之后，计算了以下调整指标：CHI（2）/ DF = 2.301;善良拟合指数= 0.860;比较健身指数= 0.889;近似的均方根误差= 0.053; Akaike的信息标准= 1420.基于所观察到的结果和所使用的样本大小的鲁棒性，所获得的理论模型表明，建议使用葡萄牙语扬声器样本的虚拟现实研究项目存在。

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