Wollast Robin, Klein Olivier, VanLeeuwen Dawn M, Gervais Sarah J, Bernard Philippe
Université libre de Bruxelles, BE.
New Mexico State University, US.
Psychol Belg. 2021 Feb 8;61(1):33-45. doi: 10.5334/pb.481.
We propose a new method to test the reliability of Fredrickson et al.'s self-objectification questionnaire (SOQ). This scale being based on a ranking, traditional reliability estimates are inappropriate. Based on generalizability theory, we suggest to compute the reliability of each subset of questions related to physical appearance vs. physical competence separately in order to average them. We applied this method to a sample of female US undergraduates ( = 395) and evidenced that the reliability of the scale is very low (corrected Cronbach's alpha = .31). We also noted that a large proportion of the sample (32%) failed to complete the scale correctly. In a second study ( = 93), we propose a Likert adaptation of the scale and show that the two dimensions of the SOQ are independent. In Study 3 ( = 195), we confirm results of Study 2 and demonstrate that the general structure of the Likert version has satisfactory model fit statistics. These observations lead us to discourage the use of the original version of the SOQ and rely on the Likert version of the Self-Objectification Questionnaire (LSOQ, see appendix).
我们提出了一种新方法来检验弗雷德里克森等人的自我物化问卷(SOQ)的可靠性。该量表基于排名,传统的可靠性估计并不适用。基于概化理论,我们建议分别计算与身体外貌和身体能力相关的每个问题子集的可靠性,然后求平均值。我们将此方法应用于美国女大学生样本(n = 395),结果表明该量表的可靠性非常低(校正后的克朗巴哈α系数 = 0.31)。我们还注意到,很大一部分样本(32%)未能正确完成该量表。在第二项研究(n = 93)中,我们提出了该量表的李克特式改编版,并表明SOQ的两个维度是独立的。在研究3(n = 195)中,我们证实了研究2的结果,并证明李克特版的总体结构具有令人满意的模型拟合统计量。这些观察结果使我们不建议使用SOQ的原始版本,而应依赖自我物化问卷的李克特版(LSOQ,见附录)。