In 2016, with coauthors Arturo Casadevall and Ferric Fang, I published a study on 20,000 biomedical papers with photographic images, in which we found an average of 4% to contain inappropriately duplicated images.
Not surprisingly, we found that percentage to vary per journal. Some of the 40 journals we investigated had much higher percentages of image duplicates than others.
Continue reading “A study on Oncotarget papers”