You are the marketing manager for XYZ Corporation, and have hired a marketing research firm. Together, you and the researchers decide that you need data from current customers and non-customers who fit a specific demographic and lifestyle profile. The selection of these individuals as targets for data collection represents the ___________ research design activity.
A. Type of research
B. Nature of Data
C. Nature of data collection
D. Information content
E. Sampling plan
Answer: E. Sampling plan