Recall the description of the political poll taken by Literary Digest about the Landon vs. Roosevelt election. This is an example of a potential error that can be made when doing survey research involving political polls. What is the lesson that survey researchers learned from this error?

An incorrect sample frame can destroy a study, regardless of the sample size.

Explanation:

There are major three known errors that were detected during the survey research of the political poll taken by Literary Digest about the Landon vs Roosevelt election.

These errors were

* Sampling error-- The telephone directories, automobiles that were sampled, were mostly sampled middle/upper class

* Timing -- The questionnaires were mailed in early September, they did not measure the changes in public opinions as the election drew closer.

* Self-selection-- It should be understood that an individual cannot select himself/herself into a sample. This is because,the more wealthy and educated do that so the results are entirely accurate

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.

answer; belief perseverance;