![]() While the retraction was very important, it does not fully solve the problem. Hopefully, fewer people will be made vulnerable to unintended pregnancy via misleading, unsupported claims. I’m glad to have helped to remove junk science from the literature. ![]() In a comment on PubPeer, I also detailed unethical behaviors by Valley Electronics. Science reporter Stephanie Lee covered the retraction story in Buzzfeed. Prior writings had investigated Daysy and detailed unethical behaviors by Valley Electronics (Daysy’s manufacturer) – including that the company kicked people out of online forums for asking questions, and used manipulative language in their marketing materials. The retraction note says: “Independent post-publication peer review has confirmed that there are fundamental flaws in the methodology which mean that the conclusions are unreliable due to selection bias and the retrospective self-reporting of whether pregnancies were intentional.” In May 2019, 404 days after I submitted a commentary detailing egregious flaws in data collection and analysis of a study purporting to estimate contraceptive effectiveness of the Daysy thermometer - that study was retracted from the journal Reproductive Health. ![]() I will share additional updates as they become available.) (NOTE: as of 9/20/19 that link is no longer functional. If you purchased a Daysy, please be sure to read about the investigation and determine if you would like to speak with these lawyers to share your experience. ![]() UPDATE 9/9/19: The company that manufactures Daysy is now the subject of a legal investigation. ![]()
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