| pisa {DAKS} | R Documentation |
Programme for International Student Assessment (PISA) Data
Description
The accompanying binary dataset is part of the empirical 2003
Programme for International Student Assessment (PISA) data. It
contains the item responses by 340 German students on a
5-item dichotomously scored mathematical literacy test.
Usage
pisa
Format
The pisa data frame consists of 340 rows and 5
columns, representing the response patterns of the students to the
test items. Each number, an integer, 1 or 0, encodes a
correct or incorrect response, respectively.
Note
The dataset pisa was obtained after dichotomizing the
original multiple-choice or open format test data. Wording of the
test items used in the assessment is not known (not available
publicly).
Source
OECD Programme for International Student Assessment (PISA; http://www.pisa.oecd.org/)
References
Sargin, A. and Uenlue, A. (2009) Inductive item tree analysis: Corrections, improvements, and comparisons. Mathematical Social Sciences, 58, 376–392.
Uenlue, A. and Sargin, A. (2010) DAKS: An R package for data analysis methods in knowledge space theory. Journal of Statistical Software, 37(2), 1–31. URL http://www.jstatsoft.org/v37/i02/.
See Also
See DAKS-package for general information about this
package.