What does that mean in terms of your phone? We can assume that people like to notice when their phone is ringing, and that most people hate missing a call. This means their perceptual systems have adjusted their bias(偏向)to a level that makes misses unlikely. The unavoidable cost is a raised likelihood of false alarms of phantom phone vibrations.
The tradeoff between false alarms and misses also explains why we all have to put up with fire alarms going off when there isn't a fire. It isn't that the alarms are badly designed, but rather that they are very sensible to smoke and heat and biased to avoid missing a real fire at all costs. The outcome is a rise in the number of false alarms. These are inconvenient, but nowhere near as inconvenient as burning to death in your bed or office.The_alarms_are_designed_to_err_on_the_side_of_caution.
1.The writer tries to explain phantom phone vibrations ________.
A.by analyzing some facts
B.by giving some examples
C.from the angle of biology
D.from the angle of psychology
2.According to the writer, the sense of phantom phone vibration is ________.
A.strange and mad
B.harmful but avoidable
C.common and unavoidable
D.universal but unhealthy
3.When we judge correctly that “it's not ringing”,this is called a “________”.
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