Does a physical therapist-led, home-based walking exercise behavior change intervention improve walking capacity compared with usual care in adults with peripheral artery disease and intermittent claudication? FindingsIn this randomized clinical trial that included 190 participants with intermittent claudication due to peripheral artery disease, receipt of the intervention, compared with usual care, resulted in a statistically significant adjusted difference in mean six-minute walk distance at 3-months of 16.7m. MeaningAmong adults with peripheral artery disease, a home-based walking exercise behavior change intervention, compared with usual care, increased six-minute walking distance at 3-months.

Donor interest in the extractives sector is based upon the premise that it represents an opportunity to improve a country's development prospects. However, in many cases the presence of extractive resources is associated with poor economic performance. As a result, some donors are trying a radically different approach. This paper explores two such programmes funded by the UK Department for International Development: the Facility for Oil Sector Transparency and Reform in Nigeria, and the Ghana Oil and Gas for Inclusive Growth programme in Ghana. The paper outlines five lessons learned from these examples. First, continual analysis is essential to understand the underlying incentives of key actors. Second, interventions need to be locally led in order to provide legitimacy for reform. Third, interventions need to be flexible and adaptive. Fourth, acceptance of an element of risk is necessary. Fifth, donors need to develop a new way of measuring impact.

Despite the wealth that comes from being the biggest oil producer in Africa, Nigeria has some of the worst development indicators in the world. From 2011 to mid‐2016, the DFID‐funded Facility for Oil Sector Transparency and Reform (FOSTER) programme's unique design aimed to reduce incentives for the capture of oil revenue by elites and international oil companies, restoring the potential of those revenues to accelerate economic and social development. This article asks what lessons FOSTER's successes and failures offer for improved “thinking and working politically” (TWP). It examines the outcomes from five “clusters” of interventions: three viewed by the FOSTER team as successes and two as failures. The article identifies factors for successful TWP‐based programming, including the need for local ownership rooted in staff with a combination of technical expertise, a deep knowledge of the local political context and excellent networking abilities. The research used a qualitative and inductive approach. Field research was undertaken with 44 semi‐structured qualitative interviews during one month of fieldwork in Abuja and Lagos. The research also included reviews of FOSTER's internal documentation and evaluation frameworks, as well as analysis of newspaper articles and grey literature on the oil sector in Nigeria. The project offers important lessons for politically informed programming about how interventions were implemented (process), what was actually done (content) and how the project responded to changes in context that created or blocked opportunities for reform (responsiveness). The article identifies factors for successful TWP‐based programming, including the need for local ownership rooted in staff with a combination of technical expertise, a deep knowledge of the local political context and excellent networking abilities. The findings have important implications for programme design. They demonstrate the value of built‐in flexibility that allows staff to choose and switch the partners they work with and the channels they work through. They also show that a key aspect of TWP‐based programming is implicit acceptance that some failure may be unavoidable, since this permits staff to balance risk against opportunities. Finally, a better understanding of FOSTER's failures reveals the challenges of a TWP‐based approach and the trade‐offs it demands.

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Donor interest in the natural resources extractives sector is based upon the premise that it represents an opportunity to improve a country’s development prospects. However, in many cases the presence of extractive resources is associated with poor economic performance. As a result, some donors are trying a radically different approach. This chapter explores one such programme funded by the UK Department for International Development: the Facility for Oil Sector Transparency and Reform in Nigeria. The chapter outlines five lessons learned from this example. First, continual analysis is essential to understand the underlying incentives of key actors. Second, interventions need to be locally led in order to provide legitimacy for reform. Third, interventions need to be flexible and adaptive. Fourth, acceptance of an element of risk is necessary. Fifth, donors need to develop a new way of measuring impact.