Randi Korn & Associates, Inc. (RK&A) was contracted to conduct a formative evaluation of The Conservation Trust of Puerto Rico’s (the Trust) National Science Foundation-funded Citizen Science Program, which recruits and trains local Puerto Ricans to conduct scientific research about the Rio Manati watershed alongside Trust scientists, staff, and interpreters. How did we approach this study? The purpose of this evaluation was to explore participants’ motivations, experiences with program logistics, level of engagement, and understanding of project and activity goals, as well as staff and