The article "Horizontal Evaluation: Fostering Knowledge Sharing and Program Improvement Within a Network (AJE 2007, pp 493-508) describes a participatory evaluation of Papa Andina, a regional network that works to reduce rural poverty in the Andean region by fostering innovation in potato production and marketing. This essay answers the question: "Suppose the funders are interested in learning the impact of Papa Andina on reducing poverty – what would be important context considerations in designing such a study? Highlight two or three of these considerations and how they would influence one or more features of your evaluation (e.g., the design, methods, staffing, overall approach, analyses, types of dissemination, etc.)"#Evaluation2009 #2009Conference #InternationalandCross-CulturalEval #CostsEffectivenessBenefitsandEconomics #GraduateStudentandNewEvaluators