Educating Kids in a Data-Driven World

binary code on blackboard

Editor’s Note: As summer winds down, Research Access will be getting you ready to go “back to school” with two weeks of posts on the topic of education. Between August 20 and 31 we will be doing a series of posts that will have you ready to put on those new clothes, pack your lunch [...]

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 [...]