Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

Worried at the increasing incidence of nerve disorders among Calcuttans, with hardly any data to provide a research backbone, the Indian Council of Medical Research (ICMR) has embarked upon a random ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...

The rise of internet polling makes it more feasible to publish estimates for Asian Americans. But these estimates offer a limited view. What does the migration to online polling mean for the country’s ...

The findings of the Los Angeles Times/USC College of Letters, Arts and Sciences poll are based on a random sample survey of 1,506 registered voters in the state of California conducted from May 19 to ...

Results of a random sample survey of 426 primary care physicians by a team of researchers found that the majority does not support repealing the Patient Protection and Affordable Care Act in its ...