Widespread Data Duplication

Around one out of every four cancer papers scrutinized in a recent study contains questionable figures, and journals and authors aren’t responding to requests for clarification.

Written byKerry Grens
| 2 min read

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WIKIMEDIA, MAGNUS MANSKE

Of a sampling of 120 papers from three cancer-related journals, around 25 percent contained what appeared to be duplicated images, according to an analysis from Oslo University Hospital’s Morten Oksvold. At least half of these images were duplicates from different experiments, and the most common problem was the duplication of loading controls in Western blots.

Oksvold contacted both the authors of the papers in question and the respective journal editors in October 2014, yet by May 2015, “no editorial replies have been received so far,” he wrote in his report, published in Science and Engineering Ethics last week (June 12).

“This is just indefensible,” according to Discover’s Neuroskeptic. “Oksvold’s allegations deserve to be taken seriously.”

Oksvold had collected 40 papers continuously as they were published ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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