DIY Survey Research

I’m old enough to remember typing pools – though not old enough to remember when the secretaries in them were using typewriters. They were using word processors – not software like Microsoft Word but hardware like the Wang OIS, a dedicated system for timeshared word...

Key Recommendations for Online Sampling

Probability sampling remains the gold standard for producing results that are representative of target populations. So much so that non-probability methods typically try to emulate or mimic probability sampling where possible: Positioning a panel survey as a random...

Intercept Surveys

Where river sampling is typically a supplemental source of responses to panel surveys, intercept surveys gather all their responses by interrupting traffic to web sites. CivicScience, Google Consumer Surveys (GCS) and RIWI each intercept people in their everyday use...

River Sampling

People who are willing to be members of panels differ in many ways from people who aren’t. This too lessens the representativeness of panel research. For instance, in a recent CASRO webinar, NPD Group reported that 70% of their panel members are introverted, compared...