pisa2012_math_item | R Documentation |
A dataset containing the estimated item parameters for the PISA 2012 mathematics assessment.
pisa2012_math_item
A data frame with 109 rows and 5 variables:
Item name.
Item number.
b parameter estimate.
d1 parameter estimate (for partial credit items).
d2 parameter estimate (for partial credit items).
PISA 2012 Technical Report, ANNEX A. Table A.1: PISA 2012 Main Survey mathematics item classification. Pages 406 - 409. https://www.oecd.org/en/about/programmes/pisa.html
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