> Given that spread, my guess here is either that their data collection and analysis is bad, or that there are other factors involved in productivity other than

> Given that spread, my guess here is either that their data collection and analysis is bad, or that there are other factors involved in productivity other than just where the worker is located. The article doesn't get into the methodology of the survey, but another possibility is that respondents were just answering based on their feelings rather than any hard data at all. This sort of thing happens all the time; a well-known example is that if you survey Americans about crime, a large percentage will say crime has increased regardless of what's happening with actual levels of crime [1]. [1] https://www.pewresearch.org/short-reads/2016/11/16/voters-perceptions-of-crime-continue-to-conflict-with-reality/ https://www.pewresearch.org/short-reads/2016/11/16/voters-pe...