The Independent Evaluation Group's (IEG) study on World Bank Group impact evaluations offers a crucial examination of the effectiveness and relevance of these assessments in development. The report emphasizes the increasing importance of impact evaluations in establishing causal links between interventions and outcomes, highlighting the World Bank Group's prominent role in this field. IEG's review covers the relevance, quality, and influence of these evaluations, demonstrating a generally positive trend, with alignment to strategies and improving selection and coordination processes. However, the study also identifies limitations, particularly concerning funding, staff capacity, and incentives, which constrain the scope of evaluations, especially within the IFC. IEG offers five recommendations to bolster the Bank Group's impact evaluation efforts, focusing on consistency, coordination, quality standards, and operational relevance. This report is a valuable resource for development professionals, evaluators, and the broader evaluation community, providing insights into utilizing impact evaluations to enhance project design, assessment, and development practices. It underscores the real benefits of rigorous evaluations, including their influence on future projects and the promotion of evidence-based development. The study serves as a useful guide for improving the effectiveness of interventions through robust evaluation practices.