Data quality assurance refers to the steps a Mission takes to ensure that the data included in the PMP are accurate and useful. This module provides guidance on carrying out these steps, including how to conduct a Data Quality Assessment (DQA) and strategies for addressing problematic data. This document is a part of the training material for USAID/Jordan MESP- Performance Monitoring Workshop, conducted by the Monitoring and Evaluation Support Project (MESP) in January 2015.