Leading and misleading questions always yield questionable data, based on which you are highly likely to report findings that can misguide stakeholders. Moreover, decisions they make based on such ...

Questionnaires are widely used for data collection in health research and evaluation. Their design, use and analysis are key to accurate, comprehensive and complete data. This course is an ...

Data from mixed-mode questions are hard, if not impossible, to interpret accurately. The first part of this article will give an example of a mixed-mode question and an analysis of how to interpret ...

Survey data in this report are based on Pew Research Center surveys conducted with a nationally representative sample of Hispanics. Differences between groups or subgroups, such as foreign-born and ...