Market research is the systematic process of gathering, analyzing, and interpreting information about a market, including the creation and evaluation of products and services, and the consumer ...
The nuts and bolts of our public opinion surveys. A summary of ABC News' polling standards and survey methodology follows. ABC News maintains standards for disclosure, validity, reliability and ...
The chart below tracks President Donald Trump’s approval and disapproval ratings across polls. It includes all national-level results on this question which meet CNN’s standards for reporting.
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