This document discusses selecting appropriate data collection instruments for project evaluations. It provides an overview of various instruments including interviews, focus groups, surveys, observations, tests, concept maps, documents/product reviews, and case studies. It notes the strengths and weaknesses of each instrument and considers what types of audiences and projects each instrument is best suited for. The key aspects to match are the type of information needed, the audience being assessed, and the nature of the project or activity being evaluated. Selecting the right instrument requires understanding these context factors.