First, identify a minimum of three sources of secondary data for marketing research. Using the data:

Breif Descriptive Summary of 3 data sources that can be used to collect secondary data.

1. A description of the research design for each of these secondary data sources.
2. A description of the type of secondary data each of these sources collects (qualitative/quantitative), with rationale for their use.
3. A description of the data collection method used by each of these secondary data sources, with procedures.
4. A description of the population used by each data source to collect the secondary data.
5. A description of sampling size, frame, and technique used by each data source to collect secondary data.