pisa2012_math_item {lsasim}

Item parameter estimates for 2012 PISA mathematics assessment

Description

A dataset containing the estimated item parameters for the PISA 2012 mathematics assessment.

Usage

pisa2012_math_item

Format

A data frame with 109 rows and 5 variables:

item_name

Item name.

item

Item number.

b

b parameter estimate.

d1

d1 parameter estimate (for partial credit items).

d2

d2 parameter estimate (for partial credit items).

Source

PISA 2012 Technical Report, ANNEX A. Table A.1: PISA 2012 Main Survey mathematics item classification. Pages 406 - 409. https://www.oecd.org/pisa/pisaproducts/PISA-2012-technical-report-final.pdf