What does it mean for a sample to be representative? How can you tell if your sample is biased and if so, what is there to do about it?In this webinar, Andrew Mercer of the Pew Research Center will present the results of the Center's research into data quality in online survey samples and what factors lead to bias in survey estimates.You will learn about different methods for adjusting samples to reduce bias and the kinds of benchmarks that are needed for these methods to succeed. Andrew will also cover strategies that can be used when no reliable benchmarks exist.
After almost two decades of continued growth, the debate still continues on which key factors impact online sample quality. Here are some key steps that researchers and their clients can take to improve sampling quality when developing sampling processes ranging from online panels to routers to exchanges.
This Guideline responds to those concerns by providing guidance on the operational requirements for the provision of online samples for market, opinion, and social research. It sets out methods to be used by online sample providers, buyers, and end clients to ensure that a sample meets widely accepted quality criteria. It is recommended reading for all stakeholders in the research process, from survey designers to data users.
This Guideline responds to those concerns by providing guidance on the operational requirements for the provision of online samples for market, opinion, and social research. It sets out methods to be used by online sample providers, buyers, and end clients to ensure that a sample meets widely accepted quality criteria. It is recommended reading for all stakeholders in the research process, from survey designers to data users.
This Guideline responds to those concerns by providing guidance on the operational requirements for the provision of online samples for market, opinion, and social research. It sets out methods to be used by online sample providers, buyers, and end clients to ensure that a sample meets widely accepted quality criteria. It is recommended reading for all stakeholders in the research process, from survey designers to data users.
This Guideline responds to those concerns by providing guidance on the operational requirements for the provision of online samples for market, opinion, and social research. It sets out methods to be used by online sample providers, buyers, and end clients to ensure that a sample meets widely accepted quality criteria. It is recommended reading for all stakeholders in the research process, from survey designers to data users.