We were sitting around with friends and family recently over some very nice red wine when our friend Noel asked a question about my weekly Toastmasters meetings, and specifically about whether I thought there are some people who simply never learn to feel comfortable speaking in public even after Toastmasters training. After a moment’s contemplation, I replied to Noel:
“I can’t really say – because those who actually feel too uncomfortable probably just stop attending after a while. But the ones who stay seem pretty happy!”
It turns out that what I was describing is essentially what’s known as survivorship bias.*
Continue reading “Survivorship bias: when we focus only on success”