PowerPoint Presentation · ssrs . ssrs . ssrs . 12 10 ssrs . CBS NHIS OMNI 12 10 ssrs . 2009 20110...
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Transcript of PowerPoint Presentation · ssrs . ssrs . ssrs . 12 10 ssrs . CBS NHIS OMNI 12 10 ssrs . 2009 20110...
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Initial ask was of ABC, CBS, Gallup, GfK, ICF, Ipsos, Nielsen, NORC, ORC, Pew, RAND, RTI, SRBI, TNS, Westat
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Sample NameMode of Data
Collection
Cumulative Sample
Size
Response Rate
Formula
The BRFSS Telephone 6,118,156 BRFSS CASRO
CBS Polls Telephone 61,112 RR1
ABC Polls Telephone 130,099 RR3
Pew Polls Telephone 98,535 RR3
The GSS In-Person 32.749 RR3
The NHIS In-Person 1,244,070 RR3
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Effect Estimate p-value
Intercept 2.295 0.013
Spline Effect 1: Linear Change in MAB (unweighted) 0.086 0.009
Spline Effect 2: Linear Change in MAB (unweighted) after 2009 -0.238 0.002
Telephone Surveys 1.241 0.129
Spline Effect 1 x Telephone Surveys 0.077 0.039
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