Department of Psychology G. Kanizsa, University of Trieste, Via Sant'Anastasio 12, Trieste, Italy.
Behav Res Methods. 2010 Feb;42(1):55-73. doi: 10.3758/BRM.42.1.55.
In confirmatory analysis of whether data have a circumplex structure, Browne's (1992) model has played a major role. However, implementation of this model requires a dedicated program, CIRCUM, because the analysis routine is not integrated in any of the most widely used statistical software packages. Hence, data entry and graphical representation of the results require the use of one or more additional programs. We propose a package for the R statistical environment, termed CircE, that can be used to enter or import data, implement Browne's confirmatory analysis, and graphically represent the results. Using this new software, we put forward a new approach to assess the sustainability of theoretical models when the analysis is carried out at the level of questionnaire items. The CircE package (for either Mac OS X or Windows) and additional files may be downloaded from http://brm.psychonomic-journals.org/content/supplemental.
在确认数据是否具有环型结构的分析中，Browne（1992）的模型发挥了重要作用。然而，实施该模型需要一个专门的程序 CIRCUM，因为分析程序并未集成在任何最广泛使用的统计软件包中。因此，数据输入和结果的图形表示需要使用一个或多个其他程序。我们提出了一个 R 统计环境的软件包，称为 CircE，可用于输入或导入数据、实施 Browne 的验证分析，并以图形方式表示结果。使用这个新软件，我们提出了一种新的方法，即在分析处于问卷项目层面时，评估理论模型的可持续性。CircE 软件包（适用于 Mac OS X 或 Windows）和其他文件可以从 http://brm.psychonomic-journals.org/content/supplemental 下载。
