POL S 15 Lecture Notes - Lecture 18: Sampling Frame, Leading Question, George W. Bush
Document Summary
Allows you to see how a change in "environment" might change a driver"s actions. Also allows time to be monitored/period to be chosen. Assigning a certain county or geographic region the "time out" treatment. Formally scripted interview of a large number of people. Usually observational but can sometimes be embedded in experiments. Usually administered to randomly selected sample from population of interest. Which groups can we be 95% confident that a majority of members support the wealth tax? (knowing that the standard/margin of error estimate is +/- Calculate +/- with each group % given, for any one that falls below 50%, you cannot be 95% confident that a majority fo group supports wealth tax. Good news: generally doesn"t seem to be causing too much bias now, with rt. Non-response: some subjects refuse to participate or cannot be reached. Bad news: occurring at an alarming rate in the past 20 years.
