Rasch calibration and optimal categorization of an instrument measuring women's exercise perseverance and barriers.

@article{Zhu2001RaschCA,
  title={Rasch calibration and optimal categorization of an instrument measuring women's exercise perseverance and barriers.},
  author={Weimo Zhu and George H. Timm and B. Ainsworth},
  journal={Research quarterly for exercise and sport},
  year={2001},
  volume={72 2},
  pages={104-16}
}
The purposes of this study were: (a) to determine the optimal categorization of an instrument measuring women's exercise perseverance and barriers using the Rasch analysis and (b) to examine urban women's exercise perseverance and barriers. A 23-item barrier instrument with five response categories was administered to 479 women from a metropolitan area. The data analysis started from collapsing the original five adjacent categories into three and four categories and 11 sets of original and… CONTINUE READING