Once you have your training goals and indicators, you need to identify and collect the data sources that will provide you with the relevant information. You may use different types of data, such as quantitative (numbers, statistics, metrics) or qualitative (feedback, opinions, observations). You may also use different methods of data collection, such as surveys, tests, interviews, audits, or reports. You should organize your data sources in a way that makes them easy to access, store, and manage. You may use tools such as spreadsheets, databases, or software applications to help you with this task.