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 ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

Despite the widely recognized decline of Christianity in the U.K., there have been persistent rumblings of a Christian resurgence.

Research has shown that claims of increased church attendance, particularly among young people, ‘may be misleading’ ...

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 random sample survey is a commonly used method in market research and such surveys generally are considered to provide more robust results than purposive or convenience (such as quota) samples.

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of ...