Even though air travel is reckoned by some measures to be very
safe, many people become nervous when they must travel by air.
There are probably many reasons for this, but one which has attracted
the attention of aviation specialists and others is the psychological
effect of perceived risk, the risk as experienced by the
participant, rather than as assessed by the engineer. There seem to be
some regularities to the circumstances in which perceived risk is
higher than engineer's-risks. These regularities are summarised in
: Community Measures vs. Scientific Measures
by Dave Shaw;
Re: by Peter Mellor;
Re: by Martin Minow;
Re: by Robert Walking-Owl;