Scores on the 1997 A-level Chemistry examination in Britain. Students
are grouped into schools within local education authories. In
addition some demographic and pre-test information is provided.
Usage
data(Chem97)
Arguments
source
http://multilevel.ioe.ac.uk/softrev/chem97.html
Details
This data set is relatively large with 31,022 individuals in 2,280
schools. Note that while this is used, illustratively, to fit Normal
response models, the distribution of the response is not well
described by a Normal distribution.
References
Yang, M., Fielding, A. and Goldstein, H. (2002). Multilevel ordinal
models for examination grades (submitted to Statistical Modelling).