Survey questions raising concerns in middle schools: *The last time you engaged in sexual activity, did you use one of the following to protect yourself from sexually transmitted diseases (STDs)?

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

© CBS Dissertation on the causes of nonresponse and how these insights can be used to use the budget for fieldwork efficiently. This dissertation discusses the ...

Unbiased estimates of population parameters can be obtained from a sample survey when the sample units are not the primary units of estimation, i.e., when the correspondence between the units selected ...

This is a preview. Log in through your library . Abstract Recent developments in sample survey theory include the following topics: foundational aspects of inference, resampling methods for variance ...

Pew Research Center’s cross-national studies are fielded in a range of polling environments, from countries where telephone surveys are regularly administered to nations where face-to-face surveys are ...

As part of a facility’s sharps injury prevention program, it is valuable to help product evaluation teams or committees determine how devices are used in their healthcare organization. Included in the ...

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 ...

Minister of State for Ministry of Planning Rao Inderjit Singh said in Rajya Sabha on April 3 that the last time the Centre made an estimate of the poverty line and poverty ratio was in 2013, based on ...