what is a program evaluation? Is it a type of research activity? If yes, what is the difference between program evaluation and other research activities?

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Yes, program evaluation is one specific type of research activity. Program evaluation uses systematic methods for collecting, analyzing, and using data to examine the effectiveness and efficiency of programs and contribute to program improvement. However, unlike other research activities that aim to make theoretical contributions to human knowledge, program evaluation is a practical endeavor that produces knowledge in human service policies and interventions. It collects and analyzes information about a program and provides evidence for further decision-making.