Country or Region | Sri Lanka |
Year | 2012 |
Producer(s) | National Educational Research and Evaluation Centre - University of Colombo |
Metadata | Download the documentation |
Created on
Mar 13, 2015
Last modified
Mar 13, 2015
Sampling
Sampling Procedure
The sampling frame was the 2009 school database of the Ministry of Education.
Schools were selected using multi-stage sampling.
Classrooms were selected using simple random sampling.
Students were selected using simple random sampling.