Abstract
Previous research has demonstrated substantial effects of context
on the numerical interpretation of verbal probability statements
and has attributed these effects to the perceived base-rate probability
of the predicted events. These context effects are shown to be attributable
to the perceived severity of the predicted event as well as to the
perceived base rate. Furthermore, there is evidence for strong context
effects that are not explained by either of these 2 variables. The
implications of these results for the use of probability statements
in the communication of verbal probability information are discussed.
(PsycINFO Database Record (c) 2004 APA, all rights reserved)
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