Non-probability Sampling for Finite Population Inference with Jill Dever and Richard Valliant, was recorded October 2016.
The Mixology of Samples-Blending Probability and Nonprobability Samples
The times, they are a-changing! Subsequent to the webinar conducted in February on the fundamentals of nonprobability samples, this presentation provides concrete recommendations for producing inferences from surveys that rely on blended probability and nonprobability samples based on our years of hands-on experience. After a brief recap of the previous webinar, we will discuss robust weighting methodologies that can reduce some of the inherent biases of nonprobability samples, including extending weighting adjustments beyond standard geodemographic realignments. We then introduce an option for the optimal integration of surveys from different samples, and touch upon fusion of ancillary data from external sources. Next, we will provide recommendations for practical alternatives for approximating error margins from blended samples. We will end this webinar with some contemplations about the new directions in survey sampling in the digital age.Mansour Fahimi,Frances Barlas, and Randall Thomas, was recorded in March 2018.
Practical Guide for Surveys Based on Nonprobability Samples
Mansour Fahimi,Frances Barlas, and Randall Thomas, was recorded in February 2018. This webinar will will begin with an overview of different types of nonprobability samples and discuss their pros and cons from a fitness for use perspective. Focusing on online surveys, we will cover best practices for sourcing and selection of such samples, including effective options for sample balancing, incentive options, and considerations for data quality given the vast and varied landscape of sample providers. Lastly, we will lay the foundation for our next webinar on robust weighting and calibration methodologies that can reduce some of the inherent biases of such samples, as well as optimal methods for blending probability and nonprobability samples. We will end this webinar with some contemplations about the new directions in survey sampling in the digital age.
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