2 ms·
How do we know their sampling methods are correct? How do we know bots aren't answering these polls?
by ddtaylor 8y ago
How do we know their sampling methods are correct? How do we know bots aren't answering these polls?
- jeffreyrogers 8y agoThey published this https://www.ipsos.com/sites/default/files/2017-03/IpsosPA_CredibilityIntervals.pdf https://www.ipsos.com/sites/default/files/2017-03/IpsosPA_Cr... I haven't read it, but it appears to answer some of your concerns.