After a 72-year wait required by law, the National Archives has released individual records from the 1940 Census, opening a gold mine for people researching their family histories. But the 1940 Census ...

In the days to come, we should expect more polls to be reported so I thought it would be best to discuss more closely the Philippines’ survey scene. In this first of a three-part series, I describe ...

Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

A new method is proposed for imputation of missing values in sample survey data. The procedure uses standard statistical methodology, permits a general specification of the nonresponse process, and ...

India's first Prime Minister Jawaharlal Nehru (left) with scientist and statistician PC Mahalanobis Indian data is staring at a credibility crisis with official numbers on a range of subjects - from ...

The National Sample Survey, under the Ministry of Statistics and Programme Implementation, has been conducting large-scale sample surveys on All-India basis since the 1950s. These surveys are the most ...

The Survey Research Center (SRC) at the University of Michigan is a well-known survey research entity. In the 1960s, it boasted one of the best survey sampling experts (Leslie Kish) and a permanent ...

The National Sample Survey (NSS), since its beginning in 1950 by launch of the first round of Household Consumption Expenditure Survey and other allied indicators, has for the last 75 years quietly ...

The main types of non-response are no contact and refusal. In Chapter 2, we discuss some theories for these types of non-response. In addition, we present an overview of the characteristics associated ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

The first part of this three-part series described the science behind sample surveys. This next part identifies several opinion poll outfits and the people leading these firms, and then describes ...