We overestimate our comprehension of the science. Part of the problem seems to be that we infer our understanding of scientific text based on how well we have comprehended the language used. This “fluency bias” can also apply to science lectures when it is delivered by an engaging speaker.

We’re overconfident

It doesn’t take a lot to dazzle the average newspaper or magazine reader using the superficial props of science, be that formulas, graphics or jargon. One study found that participants were far more likely to support new evidence when it had a graphic visualisation of the correlational evidence than if they had read the same evidence without a graphic.

We’re seduced by graphs

Even expert researchers suffer from the human foibles that undermine scientific thinking. <div>This is why the open science revolution occurring in psychology is so important: when researchers make their methods and hypotheses transparent, and they pre-register their studies, it makes it less likely that they will be diverted by confirmation bias (seeking out evidence to support their existing beliefs).</div>

Being smart isn’t enough

Most of us are influenced more powerfully by personal testimony from a single person than by impersonal ratings or outcomes averaged across many people. This is the power of anecdote to dull our critical faculties. Anecdotal stories can undermine our ability to make scientifically driven judgements in real-world contexts.

We’re swayed by anecdotes

Thinking like a scientist is really hard, even for scientists. It requires putting aside your own prior beliefs, evaluating the quality and meaning of the evidence before you, and weighing it in the context of earlier findings. But parking your own agenda and staying objective is not the human way.

We’re overconfident

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