It is more specific, more reliable. It can be very reliable given that the response rate is adequate and that it covers practically all the characteristics of the population being studied.
On August 27th, 2010. See this statement in context.
On August 27th, 2010. See this statement in context.
President, Association francophone pour le savoir
It is more specific, more reliable. It can be very reliable given that the response rate is adequate and that it covers practically all the characteristics of the population being studied.
See context to find out what was said next.