Presentation format affects comprehension and risk assessment: The case of prenatal screening

Talya Miron-shatz, Yaniv Hanoch, Dana Graef, Michal Sagi

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

We studied the effects of presentation formats (frequency, 1-in-N, and visual) and numeracy level on students' understanding of prenatal screening results, as well as their risk assessment for having a fetus with Down syndrome. Frequency format (vs. 1-in-N and visual formats) improved participants' ability to accurately assess the chances of having a fetus with Down syndrome, and was associated with lower risk estimates. High numeracy levels were associated with a better ability to judge risk likelihood. For individuals of low numeracy levels, however, the frequency format significantly facilitated accurate understanding of probability information. This suggests that presenting information in frequency format is particularly beneficial for certain populations.
Original languageEnglish
Pages (from-to)439-450
Number of pages12
JournalJournal of Health Communication
Volume14
Issue number5
DOIs
Publication statusPublished - 4 Aug 2009
Externally publishedYes

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