Answer:
The correct answer is Primary search.
Step-by-step explanation:
It is called primary information that is produced directly by and for an investigation, using any type of techniques (quantitative or qualitative). The primary sources of information are constituted in the purest form in obtaining data, because it is the original production of data. It is the first-hand material related to the object under investigation.
Examples of primary sources: a document created by someone with a specific purpose, articles written with specific objectives, a survey, an interview, observation, tests and projective techniques, a discussion group, etc.