How to Evaluate the Programme (Module 4: Impact Assessment)

This module provides a practical introduction to planning and conducting programme evaluations to determine whether an intervention is achieving its intended results. It emphasizes that evaluation should begin during the programme design phase rather than after implementation, ensuring that baseline data, objectives, and performance indicators are established from the outset. The resource explains the three main types of evaluation—process, impact, and outcome evaluation—and guides readers in selecting appropriate qualitative and quantitative methods based on programme goals, available resources, and the level of evidence required. It also covers key components such as choosing performance indicators, determining sample sizes, conducting economic (cost-effectiveness) evaluations, and disseminating findings to stakeholders. Although the examples focus on road safety programmes, the principles and tools presented are broadly applicable to nonprofit, public health, and community development programmes seeking to measure effectiveness, improve implementation, demonstrate impact, and support evidence-based decision-making