How to Succeed with Biased Samples

How to Succeed with Biased Samples

Leading practitioners of survey research now agree that online polling and other forms of non-probability sampling can work.  The key is to give careful attention to the survey protocols, data collection, cleaning, and back-end weighting so that ultimately the sample being analyzed matches the population you want to know about in as many relevant ways…

New Methods and Resolutions for 2014

New Methods and Resolutions for 2014

Versta Research’s winter newsletter comes out next week, which will focus on some new approaches to faster (and cheaper) market research.  In the meantime we have been thinking a good deal about where to invest in new methods and innovation during the coming year so that we continue to make our work better and smarter…

Versta Research Post

Polling Group Gives Nod to Online Surveys

The purists in the polling industry who have always insisted that only probability sampling is valid may finally be accepting that their methods are dead. This is one happy conclusion I draw from the debate over AAPOR’s recent task force report on non-probability sampling, which is nicely summarized (and debated) as the lead article of…

Versta Research Post

The Best Statistics Software

 There was a recent online discussion among colleagues who are active in the American Association for Public Opinion Research (AAPOR) about experiences with and recommendations for survey analysis and statistics software.  Many noted that traditional commercial software is getting extremely expensive, but that newer options do not always have the same capabilities that many of…