Restricted-Use Data Supplement to the User's Guide for the Program for International Student Assessment (PISA): 2009 Data Files and Database with United States Specific Variables
The Restricted-Use Data Supplement to the User's Guide for PISA 2009 is a supplement to the PISA 2009 public-use Technical Report and User's Guide. This supplement describes the variables in the restricted-use data file and how to merge them with the public-use data file so they may be used.
