Last July, David Allison and his students identified what they considered to be fatal errors in a paper that had appeared in Elsevier’s Diabetes Research and Clinical Practice.
The authors of the article, led by Sergio Di Molfetta, of University of Bari Aldo Moro in Bari, Italy, used a cluster randomized controlled trial, but did an improper statistical analysis, according to Allison’s group.
In August, Allison, dean of Indiana University’s School of Public Health in Bloomington, and his colleagues requested the authors’ data.
Then they hit a wall.
Continue reading Editor and authors refuse to share data of paper containing alleged statistical errors