Persuasion
Confirmation bias is the tendency to seek, interpret and remember information that confirms what one already thinks, overlooking information that contradicts it.
The British psychologist Peter Wason brought it to light with his experiments in the 1960s; Daniel Kahneman, winner of the 2002 Nobel prize in economics, described its role in decision-making in Thinking, Fast and Slow (2011). In Italy Andreina Mandelli has worked on bias in marketing decisions and in our relationship with algorithms. In companies it leads people to read data as proof of the chosen strategy and to ignore the weak signals of change; social media algorithms amplify it, because they show each person what confirms their tastes.
An example
Blockbuster's managers found in the data confirmation that in-store rental was irreplaceable, and gave no weight to customers' irritation at late fees and unavailable films.
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