Sentence examples for based on probability sampling from inspiring English sources

Thus, reliable seroprevalence data is needed for the disease, based on probability sampling.

The surveys can be viewed as a succession of short panels, since every few years the sampling frame is redesigned and a new sample of establishments is drawn based on probability sampling.

The GfK KnowledgePanel® is based on probability sampling covering both online and offline populations in the U.S. GfK presents households with access to the Internet and a netbook computer, if needed.

Based on probability sampling 1200 students were selected, of whom 606 students, 61.6% female, 81.8% white and average age 21.5 [standard deviation (SD) = 1.7] years, participated in the study during the summer and Fall of 2010 (based on a power analysis, a sample size of 600 was needed).

Other techniques based on probability samples, such as network samples, and random digit dialling are also not used as the population registers are available and have many merits in comparison to other techniques.

We draw on the 2008 Ghana Demographic and Health Survey, a household survey based on probability sample of 11,778 households across the country for this study.

Based on probability samples in each participating country, data were collected in 2004 using a computer assisted personal interviewing (CAPI) programme, supplemented by a self-completion paper and pencil questionnaire.

In all countries, the sample selection was based on probability household samples where all people plus their partners were interviewed.

The surveys were based on probability-based samples using standardized questions and allowed us to evaluate the different impacts of smoke-free legislation on smoking behaviors in full, partial and no smoking ban places at the same time.

Household surveys (n = 750) were conducted among mothers, using a two-stage cluster sampling method (enumeration area selected based on probability proportion to size sampling in the first stage, and households with children under two years of age as the second stage of sampling).

Effective surveillance, therefore, requires a compromise between sampling that is based on probability and the constraints of sample collection, transport and analysis, the details of which will depend on the specific objectives of the survey.