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...paradox’ (Korhonen et al, 2018). This was first raised by William Stanley Jevons, a British economist (1835-1882) who was, in the nineteenth century, concerned about the sustainability of the nation’s stocks of coal. The essence of the paradox is that, as technology improves, the cost of a resource (such as coal) falls, stimulating extra demand, and so the gains in...

...paradox, of seeming to know about a larger proportion of the items when asked only to report on some of them, is called the partial report superiority effect. The effect was also observed if letters were printed six in red and six in black ink, then two tones used to indicate which colour to report. Participants seemed to know as much about one half (the red, say) as they...