Candidates who fulfil one of the following requirements are eligible to apply for the program: ) Holders of a master's degree or legal equivalent in Psychology; b) Exceptionally, holders of a Psychology degree obtained in a format prior to the implementation of the Bologna Process in five years of training (corresponding to at least 300 ECTS), or legal equivalent, holding a school curriculum and particularly relevant scientist, who is recognized as attesting capacity to carry out this cycle of studies by the Scientific and Coordinating Committee; c) Exceptionally, holders of a master's or licenciado degree obtained in a format prior to the implementation of the Bologna Process, in five years of training (corresponding to at least 300 ECTS), or legal equivalent, in other scientific areas , holders of a particularly relevant academic or scientific curriculum that is recognized as attesting to the capacity of the Scientific and Coordinating Committee to carry out this cycle of studies.