www.OSIR.org.in

In this case researchers resort to natural experiments, also called quasi-experiments. Natural experiments rely solely on observations of the variables of the system under study
Source: en.wikipedia.org

This entry was posted on Monday, August 25th, 2008 at 10:00 am and is filed under experiments. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.