Title says it all. Curious about what your techniques are to avoid fooling yourself. In case anyone reading this is unfamiliar with survivorship bias: https://youarenotsosmart.com/2013/05/23/survivorship-bias/
Full disclosure, I'm writing a story about investors and survivorship bias for Mattermark [1]. If any of you want to talk in depth or get on the phone, email me@sonyaellenmann.com. But I'm interested in general comments too.
[1] My previous work for Mattermark, so you can assess whether you want to talk to me: https://mattermark.com/author/sonyamann/