This report offers a reflective analysis of a teamwork experience within the context of organizational behavior. The report details the planning process, including how the team defined roles, responsibilities, and addressed potential challenges. It provides a personal statement reflecting on the positive and negative aspects of the group project, including conflicts and time management issues, and proposes improvements for future collaborative efforts. Furthermore, the report includes an effectiveness measurement based on a spreadsheet analysis, demonstrating the team's strengths and weaknesses in areas such as goal clarity, participation, decision-making, and trust. References to academic sources support the analysis. The appendix provides a team effectiveness form used to measure the team's performance during the project.