Answer: Refine his research question and look for more focused resources.
Explanation: As per the question, the most beneficial succeeding step in the writing process for Dominic would include 'refining his research question and look for more focused resources'. 'Refining the research question' would assist in directing the research more specifically and qualitatively while 'looking for more focused resources' would help in presenting the more authentic claims and relevant evidence that would support and substantiate his claims and establish the credibility of his paper.
