04. Biases in Data Collection Part 2

Lesson 3 10 Biases In Data Collection Cont-

Biases in Data Collection_contd

Response bias

Missing variables

Survivorship bias

Quiz 3

QUESTION:

You are the Head of Data Science for the Purple Pink Party in the next Presidential Election. You are sampling the population to gauge early voter interest in your candidate.

What are biases you should be aware of at the Data Collection stage?

ANSWER:

Thanks for your response.

Voluntary Bias
Those that are most politically active are most likely to participate in early voter interest surveys

Undercoverage
As a result of voluntary bias and where you choose to conduct the survey, you will most likely experience undercoverage bias

Response Bias: Leading Questions
Often times in polling, questions are worded that lead the respondent in a certain way

Next Concept