The Effect of Different Graphical and Numerical Likelihood Formats on Perception of Likelihood and Choice

Conclusion. Perception of likelihood differs significantly depending on the numerical format used. The 1-in-X format yields higher perceived likelihoods and it appears to be the easiest format to interpret. Graphs primarily affect perception of likelihood of people with lower numerical aptitude. These effects should be taken into account when discussing medical risks with patients.

Source: Medical Decision Making - May 5, 2015 Category: Health Management Authors: Oudhoff, J. P., Timmermans, D. R. M. Tags: Original Articles Source Type: research