How odd are odds? Students´ difficulties in converting relative frequencies into odds

URN to cite this document:: urn:nbn:de:bvb:355-epub-779565
DOI to cite this document:: 10.5283/epub.77956

Binder, Karin

; Steib, Nicole

; Büchter, Theresa ; Böcherer-Linder, Katharina ; Eichler, Andreas ; Krauss, Stefan

; Vogel, Markus ; Wiesner, Patrick

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Date of publication of this fulltext: 14 Oct 2025 05:17

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Abstract

There are many ways in expressing relative frequencies with numerical values: 1) percentages 25%, 2) decimal fractions 0.25, 3) common fractions 1/4, 4) natural frequencies “1 out of 4”, 5) notations like “every fourth”, or 6) odds “1 to 3”. The latter one plays an important role in communicating changes of risk, e.g., in medical research results in scientific papers. Therefore, we investigate ...