Abraraw Chane (PhD)Begashaw Belay2025-07-302025-07-302024-09https://etd.aau.edu.et/handle/123456789/5765This thesis aimed to assess contextual factors influencing success in quality improvementprojects of selected public hospitals in Addis Ababa, Ethiopia. The study used a Descriptive cross-sectional research design to explain the contextual factors using the Model forUnderstanding Success in Quality. The researcher adopted quantitative research methods. The study was conducted across seven public hospitals that are currently undertaking qualityimprovement projects. Out of 88 participants 84 which is 95.45% employees returned properly answered self-administered questionnaires distributed using a non-probabilistic purposivesampling method by using an electronic data collection tool. The IBM SPSS version 25 is used in the study to analyze & present the descriptive statistics. Total MUSIQ scores ranged from 79 to143 with a mean score of 121.48 ± 13.27 and median of 123 and an IQR of 116-130.75. Out of the total 168 expected performance scores using the MUSIQ tool 72.3% score was addressedand this implies the QI project has a reasonable chance of success as a whole. The study found that the performance of the QI team and the organizational success factors had a low MUSIQscore. Strengthen QI team leadership and engagement, addressing microsystem challenges and capacity gaps, and enhancing organizational engagement and support, are recommended. Keywords: QI collaborative, MUSIQ, QI project, Addis Ababa, Ethiopia, Contextual successfactorsen-USThesis