Division of Health Behavior Research, Washington University School of Medicine, St Louis, MO 63108, USA.
J Health Psychol. 2010 Jan;15(1):64-74. doi: 10.1177/1359105309342305.
The development and use of validated processes of change (POC) measures have received little attention in the literature despite their importance in the Transtheoretical Model. Using survey data (N = 2909), we examined the construct validity of a 22-item mammography POC scale by testing for factorial validity and factorial invariance across stage of change. We also used MANOVA with Tukey post-hoc tests to confirm stage differences in POC use (concurrent validity). Our results confirm the a priori correlated four-factor structure of this scale and provide some support for the measurement equivalence of this scale across stage, supporting comparisons of POC use across stage.
尽管在跨理论模型中验证过的变化过程 (POC) 测量方法的开发和使用很重要,但相关文献对此关注甚少。本研究使用调查数据(N=2909),通过检验因子有效性和变化阶段的因子不变性,来检验 22 项乳房 X 光 POC 量表的结构效度。我们还使用 MANOVA 与 Tukey 事后检验来确认 POC 使用的阶段差异(同时效度)。结果证实了该量表的先验相关四因素结构,并为该量表在各阶段的测量等效性提供了一定支持,这支持了各阶段 POC 使用的比较。