____ is an example of a primary data source.
A) Cost data
B) A marketing information system
C) Company files
D) Observation
E) Library

Question

Quizplus · Accepted Answer

Observation is a primary data source because it involves directly observing and recording data on a phenomenon or behavior firsthand. The other options (cost data, marketing information system, company files, and library) are all sources of secondary data, which are collected and analyzed by someone else prior to the research project.

____ Is an Example of a Primary Data Source