Pew: What our transition to online polling means for decades of phone survey trends

Pew (PEW PEW PEW PEW PEW PEW PEW): What our transition to online polling means for decades of phone survey trends. “The fact that many public opinion surveys today are conducted online is no secret to avid poll watchers. What is not well known, however, is what this migration to online polling means for the country’s trove of data documenting American public opinion over the past four decades, on issues ranging from abortion and immigration to race relations and military interventions. Specifically, can pollsters just add new online results to a long chain of phone survey results, or is this an apples-to-oranges situation that requires us to essentially throw out the historical data and start anew?”