In your empirical manuscript, report a more detailed set of demographic information (and any other background information) about the sample and context of the study that are relevant for understanding and interpreting the study's findings, including its generalizability (in quantitative studies) or transferability (in qualitative studies) and limitations thereof.

A market research survey is a questionnaire used by companies to collect information about their customers and their market. Here's a quick market research form that focuses on a few demographic statistics. This survey form will ask for the respondents' age, gender, household income, and educational attainment.