It is a technique which can also help keep sample size down in the case of a large survey.

That led to an even larger survey of 17,800 insulation workers, which confirmed the findings.

An informal survey of 10 cities around the country, both large and small, found the answer most often to be no.

A large nationally representative 2010 British survey about energy issues found that public opinion is divided on the issue of nuclear power.

The survey ranks among the largest surveys of any kind ever conducted nationally.

The 1984 report involved the first large cross-cultural survey of school achievement in the early grades.

One benefit of large surveys like this is to suggest links that might not otherwise be apparent.

The largest fiscal survey was of France in 1328.

This first step is the largest ever survey of community attitudes to children.

It remains the largest survey of phenology in the world.