Sampling Bias
by Anonymous
Change who you survey to build your own samples and see why the same question keeps giving a different winner.
About this app
Sampling Bias is an interactive data-literacy activity showing how the same school sports survey can produce different winners depending on who is asked. Explore targeted groups, mix different numbers of pupils into samples, and judge whether survey results are trustworthy by considering both the group and sample size.
Use cases
- Teachers introducing sampling bias and survey design
- Students learning to question how data was collected
- Classroom discussions about representative samples
- Anyone practicing critical thinking about survey results
Features
- Compare survey winners from the football club, basketball club, book club, random pupils, or all groups
- Adjust the number of pupils selected from each group in increments of five
- See how different samples can make football, basketball, swimming, or running come out on top
- Evaluate surveys based on who was asked and how many people responded
- Progress through guided missions with reset and next controls