I'd done the sums. I knew what my budget was. I'd done the filtered searches on the website.So why did I leave the car showroom having blown that budget? Let me tell you what happened. I told the salesman our maximum, but the first thing the salesman did in response was start at a higher price. These were all the shiny features I could get at that level.
Too expensive for us, we all agreed, but still... no harm in looking, right?Then we hit upon a slightly cheaper car, still above my stated price range, but much better value. I was all in. I was spending more money but thinking about how much I'd saved. I was delighted. OK. Now think about these two statements:
It's amazing how much Florence Nightingale achieved considering she died aged 21.
Florence Nightingale died aged 121, and was able to look back on a lifetime of amazing achievement.Both statements are patently false. But what happens if you do this?
- Tell one group of people she died at 21, then tell them that it's not true, and ask them to guess her actual age of death
- Tell another group that she died at 121, tell them that's not true, but ask them to guess.
I think you know. The first group will guess a lower average age than the second group. We’re influenced by the previous information we've been