Adam received his master's in economics from The New School for Social Research ... sampling may be best suited is when the population being studied exhibits a degree of order or regularity. For ...

The first step to effective market research is to determine the goals of the study. Each study should seek to answer a clear, well-defined problem. For example, a company might seek to identify ...

Proprietary research is not exempted. Methodologically, in all or nearly all cases, ABC News requires a probability-based sample, with high levels of coverage of a credible sampling frame.