Your final APA research paper is based on your original research topic proposal, annotated bibliography, and outline. You will use Erik Erikson’s Psychosocial Stages of DevelopmentLinks to an external site. (see Chapters 1-3 in the Santrock text). Based on this theoretical lens, select one (1) stage of development. Based on that one stage of development, develop a research question and thesis statement. Using the WCU Library, select a minimum of 3 to 4 peer-reviewed journal articles that will help you answer the research question while supporting your thesis statement. Your final APA research paper must be a minimum of 4 to 6 pages (not including the required cover page, abstract, or reference page). Your final APA research paper must include the following elements: Properly Formatted Heading LevelsLinks to an external site.. Use the APA Publication Manual and review Table 2.3. Format for the Five Levels of Heading in APA Style