Prof Carl Heneghan

The real Covid-19 threat

The real Covid-19 threat

Daniel Kahneman called it anchoring; I call it tunnel vision. It’s when we depend too heavily on our pre-existing ideas and first pieces of information – the anchor – to inform our judgments. How a problem is perceived, how it is described, how it makes us feel alongside our individual experience and expertise shapes the decisions we make. Anchoring ensures emerging evidence is ignored. Even in the face of this new contradictory evidence, we refuse to change our early decisions. In the week ending the 24th of July, 8,891 deaths were registered in England and Wales (161 fewer than the five-year average). This is the sixth week in a row that we have observed fewer deaths, a total of 1,413 fewer deaths than expected.

Prof Carl Heneghan

The real Covid-19 threat

The real Covid-19 threat

Daniel Kahneman called it anchoring; I call it tunnel vision. It’s when we depend too heavily on our pre-existing ideas and first pieces of information – the anchor – to inform our judgments. How a problem is perceived, how it is described, how it makes us feel alongside our individual experience and expertise shapes the decisions we make. Anchoring ensures emerging evidence is ignored. Even in the face of this new contradictory evidence, we refuse to change our early decisions. In the week ending the 24th of July, 8,891 deaths were registered in England and Wales (161 fewer than the five-year average). This is the sixth week in a row that we have observed fewer deaths, a total of 1,413 fewer deaths than expected.

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