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A term used to identify methods and techniques of data collection is that approaches to data collection are known as methods (generally, interviews, questionnaires, or observation) and techniques (how to apply a method, such as structured or unstructured interview or online or paper questionnaire). Knowing how and which data collection methods and techniques will be used will make you design a data collection process that is both suited to your purposes, context and resources, and enhance the validity of your work.