This article presents the findings of a review of the impact of non-contributory cash transfers on individuals and households in low- and middle-income countries, covering the literature of 15 years, from 2000 to 2015. Based on evidence extracted from 165 studies, retrieved through a systematic search and screening process, this article discusses the impact of cash transfers on 35 indicators covering six outcome areas: monetary poverty; education; health and nutrition; savings, investment and production; work; and empowerment. For most of the studies, cash transfers contributed to progress in the selected indicators in the direction intended by policymakers. Despite variations in the size and strength of the underlying evidence base by outcome and indicator, this finding is consistent across all outcome areas. The article also investigates unintended effects of cash transfer receipt, such as potential reductions in adult work effort and increased fertility, finding limited evidence for such unintended effects. Finally, the article highlights gaps in the evidence base and areas which would benefit from additional future research.

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About 3ieThe International Initiative for Impact Evaluation (3ie) is an international grant-making NGO promoting evidence-informed development policies and programmes. We are the global leader in funding, producing and synthesising high-quality evidence of what works, for whom, why and at what cost. We believe that high-quality, policy-relevant evidence will help make development more effective and improve people's lives. 3ie in-house systematic reviews 3ie in-house systematic reviews appraise and synthesise the available high-quality evidence on the effectiveness of social and economic development interventions in low-and middle-income countries. 3ie's specialists follow scientifically recognised methods in conducting these reviews. They are quality assured according to internationally accepted standards. They are peer reviewed by members of an expert advisory group and three anonymous external reviewers. 3ie is providing leadership in demonstrating rigorous and innovative review methodologies, such as using theory-based approaches suited to informing policy and programming in the dynamic and challenging contexts of low-and middle-income countries.About this systematic review summary report 3ie systematic review summary reports distil key analyses and present the findings and recommendations of a full systematic review for policymakers and programme managers. The impact of education programmes on learning and school participation in low-and middle-income countries is based on a full review, Interventions for improving learning outcomes and access to education in low-and middle-income countries: a systematic review, which is available on the 3ie website. The summary report was peer-reviewed internally and by members of the expert advisory group convened for the full review.

This study has established the feasibility, validity, and reliability of a tool for evaluating postoperative handover. In addition to serving as an objective measure of postoperative handover, the tool can also be used to evaluate the efficacy of any intervention developed to improve this process. The study has also shown that postoperative handover is characterized by incomplete transfer of information and failures in the performance of key tasks.

Our findings document otolith dysfunction in patients with idiopathic benign paroxysmal positional vertigo possibly secondary to degeneration of the utricular macula. This finding may account for the transient mild imbalance and dizziness that some patients with benign paroxysmal positional vertigo experience even after resolution of positional vertigo.