popplesan t1_j1pegew wrote
Reply to comment by gudamor in A study on volleyball players found that caffeinated chewing gum significantly improved attack accuracy compared to placebo. However, this did not improve results in jumping tests, running tests, and other volleyball specific-skills, including speed tests and accuracy during the volleyball serve by glawgii
It’s an MDPI paper, can’t expect much. I read a paper in one of their journals that explicitly described p-hacking in the methods. The reviewer’s comments were public, except they had no comments. It was mind boggling. Then I saw that the advisor had 100+ papers in sketchy journals, was at a fairly weak university and decided to Google if MDPI was a conglomerate of fake/predatory journals. They’re in a gray area for sure. Some of their journals are laughable, and some are pretty decent. But as a rule of thumb, if I see MDPI I bust out the fine-toothed comb even from their good journals.
B_lintu t1_j1qo7gn wrote
Wow that's so effed up. I was recently reading one of their economics journals with 3.9 impact-factor and I would never think such things would slip in this kind of journal, I though it was quite decent.
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