Here are the four simple questions that could transform your advocacy strategy and increase your impact. Campaigners and advocates try to influence change and make a difference on the issues, and for the people, that they care about. However, processes of change are complex and unpredictable, so it is often difficult to decide exactly what to do. Faced with this complexity or messiness, when planning campaign strategies, advocates often try to simplify by: identifying a problem and a solution; producing campaign messaging, policy proposals and research which supports the analysis; and communicating core messages to as many people as possible using multiple channels (media, lobbying, social media, supporter mobilization, etc.). Developing a theory of change can help you to: “zoom out” and better understand your role in the context of the broader processes of change; reflect on and theorize about how change might unfold and what role you can play in it; build a common understanding within your team and strengthen critical or evaluative thinking which is vital for effective advocacy and campaigning; remain focused on the change you are working towards and how what you do makes a difference, so when the context changes you don’t lose your way; strengthen your understanding of your progress and results and your contribution to change; and develop a framework for measuring your learning and effectiveness.