The China Enterprise Survey 2010 (China ES 2010) is a World Bank Group (the World Bank) program that with the goal of standardization in order to reduce measurement error and improve cross- country comparability with other enterprise surveys. The goals is to make the China ES 2010 fully compatible with the approach of the Enterprise surveys that the Enterprise Analysis Unit of the World Bank has been implementing for the last four years in other regions of the world. Standardizing survey instruments, survey methodology and survey implementation serves to significantly reduce measurement error and improves cross-country comparability. 

The Water and Sanitation Program (WSP) with support from the Gates Foundation and in close partnership with the Ministry of Health has implemented a hygiene project called “Scaling Up Hand-washing Behavior Change” in Vietnam. A central goal of this project was to document the institutional requirements, the magnitude of health, welfare and development impacts, and costs of these campaigns.  To these ends, the Government of Vietnam and WSP support an impact evaluation (IE) of the intervention using rigorous research methodologies including a randomized impact evaluation design and the collection of multiple measures based upon household and community questionnaires and intensive surveys