Complex sentence: Research was published in academic journals like "Public Relations Review" and the "Journal of Public Relations Research", leading to an industry consensus to categorize PR work into a four-step process: research, planning, communication and action.
Split into simpler sentences: Research was published in academic journals like "Public Relations Review" and the "Journal of Public Relations Research". This led to an industry consensus to categorize PR work into a four-step process: research, planning, communication and action.