Find and review the following articles: Mejía-Villa, A., & Alfaro-Tanco, J. (2017). Action research projects: One step ahead in the researcher-practitioner relationships. Working Papers on Operations Management, 8, 191–203. Ballantyne, D. (2004). Action research reviewed: A market-oriented approach. European Journal of Marketing, 38(3), 321–337. Use the articles as a starting point to address the following: Explain the theory and practice of action research (AR) and appreciative inquiry (AI) and how it generates new knowledge for the system and why this is so important. Include at least 5 different sources, cited properly. Explain the philosophy and theory of process consultation (PC) and how PC emphasizes the helping relationship. Include at least 3 different sources, cited properly. Explain the philosophy and practice of appreciative inquiry. Discuss why dialogue is such an important aspect of AI. Include at least 3 different sources, cited properly. To help you, think through your Unit 3 and Unit 4 Discussion Board preparation and responses.