The 2016 election results surprised pollsters and forced many in the media to question the validity of popular polling sources such as the Pew Research Center. Follow the links below then conduct your own research to answer the following questions:
What factors had the greatest effect in producing the unexpected election results?
Are there any potential changes that could affect the way predictions are made to avoid such surprises in the future?
Should such predictive analysis be used to guide the way a candidate runs his or her campaign?
Pew Research Center Methodology: http://www.pewresearch.org/methodology/u-s-survey-research/our-survey-methodology-in-detail/
Pew Research Center Election Polling: http://www.pewresearch.org/methodology/u-s-survey-research/election-polling/
NYT hypothesis of 2016 polling error: https://www.nytimes.com/2017/05/31/upshot/a-2016-review-why-key-state-polls-were-wrong-about-trump.html