The blog post mentioned in the article - https://www.maxhuibai.com/blog/evidence-that-responses-from-repeating-gps-are-random https://www.maxhuibai.com/blog/evi

The blog post mentioned in the article - https://www.maxhuibai.com/blog/evidence-that-responses-from-repeating-gps-are-random https://www.maxhuibai.com/blog/evidence-that-responses-from-... In the past day or two, I discovered that a large number of responses in my latest Mturk survey appear to be random responses. I detect that a large portion of these random responses have repeating GPS locations. So far, a relatively large number of social psychological researchers also seem to have noticed a drop of data quality in their Mturk data and detected concerning patterns using the GPS method (see the related discussion threads on Facebook PsychMAP).