POLI SCI 220 Lecture Notes - Lecture 12: Selection Bias
27 Mar 2018
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Document Summary
Do i focus on my direct interest or on the broad impact. Those opinions held by private persons which governments find it prudent to heed . Helps us understand the behavior of candidates, political parties, interest groups, etc. Can help shed light on specific events and outcomes. A truly random sample of any population is rarely feasible. Selection bias: refusal to respond, measurement error (questioning wording, clarity, framing) Social desirability: explanatory challenge (1) bradley effect, where do individual opinions come from.
