Using Margin of Error with Non-Probability Panels

margin of error illustration

On January 28, Annie Pettit, chief research officer for Peanut Labs, moderated a four-member panel that discussed the use of a probability measure (margin of error) with non-probability panels. The panelists were from Ipsos, Toluna, Research West, and Marketing Systems Group. The first question posed had to do with the awareness of margin of error […]

4 Kinds of Survey Error: Sampling, Measurement, Coverage and Non-Response

family feud error

There are 4 generally-accepted types of survey error.  By survey error, I mean factors which reduce the accuracy of a survey estimate. It’s important to keep each type of survey error in mind when designing, executing and interpreting surveys.  However, I suspect some of them are more ingrained in our thinking about research, while others […]