[Gallup’s editor-in-chief, Frank Newport:] “In the end, Gallup’s national popular vote estimate was that the popular vote was too close to call, a statistical tie — 50% for Mitt Romney, 49% for Barack Obama. When the dust settled, Romney got 48% of the popular vote and Obama received 50%, meaning that Gallup’s percentage-point estimate was within two percentage points for Romney and within one point for Obama.”
"It’s not easy nor cheap to conduct traditional random sample polls. It’s much easier, cheaper, and mostly less risky to focus on aggregating and analyzing others’ polls. Organizations that traditionally go to the expense and effort to conduct individual polls could, in theory, decide to put their efforts into aggregation and statistical analyses of other people’s polls in the next election cycle and cut out their own polling. If many organizations make this seemingly rational decision, we could quickly be in a situation in which there are fewer and fewer polls left to aggregate and put into statistical models."
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