Credits: Technology Spectator By: David Glance
'The American social scientist Donald Campbell observed that as soon as you try to apply and use indicators for social decision-making, the pressure to corrupt the measure increases and it then distorts the process it is measuring. The measure eventually becomes meaningless because it loses its value as a measure (this principle is also known as Goodhart’s Law. Nowhere has this become more true than using product reviews as a means of gauging the public’s opinion of a particular product and as a recommendation to buy it.'
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