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Unfortunately, the terms associated with impact assessment are used in a very varied and disparate manner in both theory and practice. These guidelines follow the OECD/SDC terminology, although there may occasionally be some deviation from this.

You will find below a summary of the major terms used in these guidelines in four languages (German/English/French/Spanish).



You can find the complete OECD/DAC Glossary of Key Terms in Evaluation and Results-Based Management in various languages here.