Neoffi5 {pairwise} | R Documentation |
Data for 1000 subjects answering to 5 polytomous items assessing neuroticism contained in the german version of the NEO–five–factor–inventory (NEOFFI) by Borkenau and Ostendorf (1991). This data is used as an example in the textbook by J. Rost (2004) to demonstrate some principles of rasch measurement.
data(Neoffi5)
A "matrix"
containing 5 columns (variables) and 1000 rows (obsevations).
An detailed description of the data can be found in Rost (2004) at page 202.
Rost, J. (2004). Lehrbuch Testtheorie - Testkonstruktion (2 nd Ed.) Huber: Bern.
Borkenau. P. & Ostendorf F. (1991). Ein Fragebogen zur Erfassung fünf robuster Persönlichkeitsfaktoren. Diagnostica, 37, (1), 29–41.
data(Neoffi5) dim(Neoffi5) ########### # frequencies ftab(Neoffi5) # Itemparameter to be compared with Rost (2004), page 211. summary(pair(Neoffi5)) # Itemparameter to be compared with Rost (2004), page 213. summary(pers(pair(Neoffi5)))