Understanding and Using Public Policy Polling Data
Karen Shanton
National Conference of State Legislatures
Source: Real Clear Politics
Obama
Romney
10 percent do not have the ID they would need
to vote
10 percent say they do not have the ID they would need to vote
10 percent say they do not have the ID they would need to vote
x percent say z
Source: Reuters
Source: FairVote
Source: FairVote
Registered Voters
Eligible Voters
Source: FairVote
Eligible Voters
Eligible Voters
13.5%
x percent of y say z
Source: Weldon Cooper Center for Public Service
x percent of a sample of y say z
40%
n=50
+/-14%
60%
26%
74%
46% 54%
Source: American Association for Public Opinion Research
*Assumes 95% confidence interval for populations of 10,000 or more
Source: Food Network
Source: Makebetterfood.com
Source: Food Network Source: Makebetterfood.com
Option 1 Option 2
Source: Amazon.com
x percent of a sample of y say z
Question 1
WHO was asked?
Source: Roper Center
x percent of a sample of y say z
at time t
Question 2
WHEN were they asked?
Homosexuals Gay Men & Lesbians
Do you favor or oppose ____ serving openly in the military?
44%
58%
44%
Source: CBS News/ New York Times Poll
58%
43%
Source: CBS News/ New York Times Poll
79%
Question 3
HOW were they asked?
x percent say z
x percent of a sample of y say z
at time t when asked q
10 percent say they do not have the ID they would need to vote
10 percent say they do not have the ID they would need to vote
Between 6 and 10 percent of voting age Americans say that they do not have a driver’s license or state issued non-driver’s photo
ID today
Between 6 and 10 percent of voting age Americans say that they do not have a driver’s license or state issued non-driver’s photo
ID today
Between 6 and 10 percent of voting age Americans say that they do not have a driver’s license or state issued non-driver’s photo
ID today
Between 6 and 10 percent of voting age Americans say that they do not have a driver’s license or state issued non-driver’s photo
ID today
1. Who was asked?
2. When were they asked?
3. How were they asked?
1. Who was asked?
2. When were they asked?
3. How were they asked?
What do you want to know?
"There are lies, damned
lies and statistics."
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