David manages an upscale italian restaurant. he would like his customers' opinions on a variety of new menu options they are considering offering. he plans on reading the name and description of each dish, as it will appear on the menu, and allowing customers to taste each menu item so that they may provide detailed feedback to the chef and marketing team. david will most likely use

The correct answer is Primary search.

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.