Here is a quick reference focused primarily on quantitative survey research. Qualitative research tends to focus on smaller sample sizes and is less concerned with the ability to generalize findings to a larger population. Here is a simplified table for some common...
This information is useful for people who purchase sample for online surveys, and who want to make sure their survey data is truly clean. Online Survey Panels Tell Us Their Panelists Are Clean It’s hard to open a marketing magazine without seeing an ad from an online...