Probability sampling has enjoyed a privileged position for good survey practice since the beginning of last century. Jerzy Neyman (1934) decisively contributed to this situation with his theory for ...

Considerable controversy has taken place between those who favor quota sampling and those who advocate area sampling in opinion polling. This article does not attempt to give a final solution to the ...

Commercial Radio Australia and The Nielsen Company have announced that quota sampling of the P10 – 17 and P18 – 24 age groups will be tested from the next survey (April 2009 – Wave 3), as part of the ...