Conclusive research is a structured data collection technique that provides detailed, factual information that's useful in decision-making. Descriptive marketing research is a form of conclusive ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Survey research is an important form of scientific inquiry1 that merits rigorous design and analysis.2 The aim of a survey is to gather reliable and unbiased data from a representative sample of ...

Every election year, questions arise about how polling techniques and practices might skew poll results one way or the other. In the final weeks before this year’s election, the practice of ...