The object of this contribution is the formulation of the evaluation judgment in the context of the external evaluation of Italian schools, with the aim to highlighting burdens and virtues. In this regard, a study was carried out to find out how much the external evaluators find the evaluation activities aimed at formulating the judgment difficult. We conducted secondary analyses of data collected by INVALSI in the a.s. 2016/2017 through a survey which involved 172 of the 209 subjects who carried out the external evaluation in the 375 schools of the first round of evaluation visits. The results show that the formulation of the evaluation judgment is considered the most difficult phase at the conclusion of the visit, among those required by the protocol, confirming that multiple triangulation, which invests in sharing and negotiation between actors, is a laborious process to carry out but virtuous for evaluation.
Keywords: Evaluation; External Evaluation of Schools; Formulation of Judgment; Triangulation; Negotiation; INVALSI