How To Write A Developmental Psychology Research Paper . The first paragraph is devoted to the discussion of the objectives of the task; This page is designed to show you how to write a research project on the topic you see here. Psychology Research Paper Topics 50+ Great Ideas from www.verywellmind.com Social, personal and emotional development. Development theories explain how children develop their personality from the experiences they go through and how they also learn how to relate with others from their past experiences. Ultimate guide to acing your psychology research paper in college.