Training of survey teams is fundamental for the quality of the survey information collected and preparation for the training and survey will take time. The training for the full UNHCR SENS (i.e. all 7 ...

Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

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 ...

There was controversy recently over how sound data collection procedures in India are, especially when it comes to some of the important national level surveys. An article (by Shamika Ravi, Member of ...

• SSI launched the modern day research sampling industry in 1977. • SSI is a rapidly growing global company with 13 offices in 11 countries. • Today SSI has an international team of more than 335 ...

Wondering how many people in the United States have a smartphone? If you poll 20 people on the street, your survey won’t be representative of the entire American population. But if you just want to ...

A new telephone survey experiment finds that, despite major structural differences, an opinion poll drawn from a commercial voter file can produce results similar to those from a sample based on ...

Ipsos conducted the National Public Opinion Reference Survey (NPORS) for Pew Research Center using address-based sampling and a multimode protocol. The survey was fielded from May 19 to Sept. 5, 2023.

Let us start with the biggest paradox. In all probability, you have never been interviewed for any of the opinion polls. How can the polls then claim to reflect ?public opinion?? The story goes that a ...