It doesn't ask for any personal details to complete it.
Seemed accurate enough as the result I got correlated closely with one I did I few years back that was definitely more intrusive but eye-opening.
Someone setup a crawler that would take your HN comments and pass them to Watson's personality insights. I was brutally honest just now and the results were the same.
That would require them to be specifically tracking this questionnaire for that purpose and filing the results against your profile or shadow profile.
As I noted, it is possible to derive a reasonably accurate profile simply from the language a person uses, so if you're on Facebook, or use GMail they have enough data passing through their servers to profile you anyway.
Seemed accurate enough as the result I got correlated closely with one I did I few years back that was definitely more intrusive but eye-opening.
Someone setup a crawler that would take your HN comments and pass them to Watson's personality insights. I was brutally honest just now and the results were the same.