Curated OER
And the Survey Says...
Eighth graders evaluate whether a certain argument is valid or invalid. In this science instructional activity, 8th graders discuss the importance of using unbiased evidence. They design an experiment that they can test in school.
Web Center for Social Research Methods
Research Models Knowledge Base: Selecting Survey Method
Details the following issues that should be considered when selecting the survey method: population, sampling, questionnaire, bias, and administration.
CK-12 Foundation
Ck 12: Statistics: Surveys and Sample
[Free Registration/Login may be required to access all resource tools.] Learn how to use surveying and sampling to collect accurate data.