According to Chapter 6, in which phase of the writing process is it best to conduct research?

A) editing
B) revising
C) proofreading
D) planning

Conducting research is essential in the planning phase of the writing process. This is because research helps to gather relevant information and ideas, which can be organized and used to create an outline or plan for the writing project. Without proper research, the writing project may lack depth and credibility. Therefore, conducting research at the planning phase is crucial for effective writing.