“…Citizen science projects involve non-scientist citizens in scientific research projects by inviting them to collaborate in several different processes, steps, or activities of the scientific method, which may include choosing or defining questions for study, gathering information and resources, collecting and/or analysing data, interpreting data and drawing conclusions, disseminating conclusions, and discussing results and asking new questions [Bonney et al, 2009;Shirk et al, 2012]. Throughout the years, several reports have placed special attention on the understanding and assessment of the real impact of citizen science projects at the scientific, educational and motivational levels [Trumbull et al, 2000;Bonney et al, 2009;Kountoupes and Oberhauser, 2008;Marshall and Kleine, 2012;Zoellick, Nelson and Schauffler, 2012;Raddick et al, 2013;Science Communication Unit, 2013;Edwards, 2014, and references therein]. The evaluation and assessment of the educational impact of citizen science projects raises particular interest because although many of these projects are envisioned and implemented in scenarios of informal science education, many times the young students are one of the preferential target groups with their engagement being promoted through schools [Zoellick, Nelson and Schauffler, 2012].…”