Thursday 10 September 2020

Facts v feelings: How to stop our emotions misleading us -- Tim Harford

‘The pandemic has shown how a lack of solid statistics can be dangerous. But even with the firmest of evidence, we often end up ignoring the facts we don’t like...’ This is also shown in evidence from two other areas: (1) Coffee and breast cysts and (2) Climate change. They should inform our reaction to Covid-19 and other matters...

‘When it comes to interpreting the world around us, we need to realise that our feelings can trump our expertise. This explains why we buy things we don’t need, fall for the wrong kind of romantic partner, or vote for politicians who betray our trust. In particular, it explains why we so often buy into statistical claims that even a moment’s thought would tell us cannot be true. Sometimes, we want to be fooled. Psychologist Ziva Kunda found this effect in the lab, when she showed experimental subjects an article laying out the evidence that coffee or other sources of caffeine could increase the risk to women of developing breast cysts. Most people found the article pretty convincing. Women who drank a lot of coffee did not...

‘Scientific evidence is scientific evidence. Our beliefs around climate change shouldn’t skew left and right. But they do. This gap became wider the more education people had. Among those with no college education, 45% of Democrats and 23% of Republicans worried “a great deal” about climate change. Yet among those with a college education, the figures were 50% of Democrats and 8% of Republicans. A similar pattern holds if you measure scientific literacy: more scientifically literate Republicans and Democrats are further apart than those who know very little about science.’

Read here (The Guardian, Sept 10, 2020)

Worst ever Covid variant? Omicron

John Campbell shares his findings on Omicron.  View here (Youtube, Nov 27, 2021)