Presidential campaign internal polls are expensive and are done by the best and most experienced pollsters, using top notch staff, with the most reliable methods and large sample sizes. Above all, such polls are meant to be accurate.
On the other hand, public polls are done on the cheap, with smaller sample sizes, and are commonly performed by organizations and pollsters whose preferences influence the results.
Presidential campaign internal polls are expensive and are done by the best and most experienced pollsters, using top notch staff, with the most reliable methods and large sample sizes. Above all, such polls are meant to be accurate.
Yep, it's mainly the money spent - they're all human calls, and that costs money - only reason Ras and PPP can spam the universe with polls is they do robocalls.>br>