Blaise is a computer-assisted interviewing (CAI) system and survey

Statistical survey

Survey methodology is the field that studies surveys, that is, the sample of individuals from a population with a view towards making statistical inferences about the population using the sample. Polls about public opinion, such as political beliefs, are reported in the news media in democracies....

 processing tool for the Windows operating system. The system is being developed by Statistics Netherlands

Statistics Netherlands

Statistics Netherlands, founded in 1899, is a Dutch governmental institution that gathers statistical information about the Netherlands. In Dutch it is known as the Centraal Bureau voor de Statistiek, often abbreviated to CBS. It is a department of the Dutch Ministry of Economic Affairs and is...

 and has been designed for use in official statistics

Official statistics

Official statistics are statistics published by government agencies or other public bodies such as international organizations. They provide quantitative or qualitative information on all major areas of citizens' lives, such as economic and social development, living conditions, health, education,...

. It is used worldwide by national statistical institutes, market research companies and related scientific research organisations for the production of official statistics.