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Scales field from the record: ['ICAR60', 'R3Diq']

Item R3D.20, whole participant file
ItemItem typeScalesAnsweredCorrectProportion correct
R3D.20R3D['ICAR60', 'R3Diq']7,2032,8070.389699

By the depositors' age-group code

Item R3D.20, by age code
Age codeAnsweredCorrectProportion correct
18andUnder1,7766280.353604
19to242,6721,0310.385853
25to298603630.422093
30to345762560.444444
35to394321690.391204
40to495372180.405959
50to592711100.405904
60andOver79320.405063

By the depositors' gender code

Item R3D.20, by gender code
Gender codeAnsweredCorrectProportion correct
female4,7861,7010.355412
male2,4171,1060.457592

Source: Harvard Dataverse deposit doi:10.7910/DVN/AD9RVY (V3) — Selected ICAR data from the SAPA-Project: Development and initial validation of a public-domain measure. Period covered: 18 August 2010 to 20 May 2013. Data downloaded 2026-10-31T17:10:04Z. Figures are the depositors' own values, published as recorded.