Is intensive measurement of body image reactive? A two-study evaluation using Ecological Momentary Assessment suggests not.
Is intensive measurement of body image reactive? A two-study evaluation using Ecological Momentary Assessment suggests not.
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DOI：
10.1016/j.bodyim.2012.08.006
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发表时间：
2013-01
期刊：
影响因子：
5.2
通讯作者：
Smyth, Joshua M.
中科院分区：
文献类型：
--
作者：
Heron, Kristin E.;Smyth, Joshua M.
关键词：
强化评估方法（如生态瞬间评估[EMA]）越来越多地用于捕捉日常生活中的身体图像体验。EMA的一个问题是，多次评估可能会增加对内部或外部线索的反应性，可能会使测量产生偏差。在两项研究中评估了对EMA的反应性（研究1:N = 63名女性本科生，研究2:N = 131名对身体高度不满/饮食失调的女性）。参与者完成了为期1-2周的5次手持电脑日常调查，并在每次研究开始和结束时填写了与身体形象相关的问卷。结果显示，EMA前后测量或瞬间EMA报告没有系统性变化，表明女性对EMA方案没有反应。在非临床或高危女性样本中，完成1-2周的EMA似乎不会影响身体不满、情绪或态度。这些研究提供了证据，证明EMA方法可用于评估真实世界的身体图像体验，而无需过度关注测量反应性。
Intensive assessment methods (e.g., Ecological Momentary Assessment [EMA]) are increasingly used to capture body image experiences in daily life. One concern with EMA is multiple assessments may increase reactivity to internal or external cues, potentially biasing measurement. Reactivity to EMA was evaluated in two studies (Study 1: N = 63 female undergraduates, Study 2: N = 131 women with high body dissatisfaction/disordered eating). Participants completed five daily surveys on handheld computers for 1–2 weeks and body image-related questionnaires at the start and end of each study. Results showed no systematic changes in pre- and post-EMA measures or momentary EMA reports, suggesting women were not reactive to the EMA protocols. Completing 1–2 weeks of EMA does not appear to affect body dissatisfaction, mood, or attitudes in non-clinical or at-risk samples of women. These studies provide evidence that EMA methods can be used to assess real-world body image experiences without undue concern about measurement reactivity.
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