“It ain’t over till the fat lady sings”: a response to Cameron N. McIntosh, improving the evaluation of model fit in confirmatory factor analysis

Excerpt

We are grateful for the opportunity to respond to Cameron McIntosh, and we do so on behalf of all of the authors. Chad Gundy, the lead author on our manuscript, “Comparing higher order models for the EORTC QLQ-C30,” died this past August after a sustained battle with cancer. Chad continued to work on the paper throughout the period of his illness, responding to reviewers’ comments and revising the manuscript to its near final form. Chad thoroughly enjoyed the challenge of the relatively complex work reported in our paper, as well as the on-going debate that surrounds the methods that we used. He would have relished the opportunity to respond McIntosh’s commentary. We hope that we have captured both the spirit and the intent of Chad’s perspective in this response. …