When a researcher is faced with the question from whom or what will the information be gathered, that researcher is dealing with which stage of the research design process?

The correct answer would be, At the 5th step of the research process, which is Defining the population.

Explanation:

There are many stages in a research design process. A research process is designed to find solution of the problem which the researcher is being striving for. The steps involved in the Research design process are,

Identification of the problem Reviewing of the Literature Clarification of the problem Defining the terms and concepts clearly Defining the population Developing the Plan Collection of Data Analysis of Data

So in the step of Defining the population, the researcher will find answers of from whom and what information be gathered.