Schools are held more responsible for evaluating, quality assuring and improving their student assessments. Teachers’ lack of understanding of new, competence-based assessments as well as the lack of key stakeholders’ involvement, hamper effective and efficient self-evaluations by teachers of innovative, competence-based assessments (CBAs). While evaluating two CBAs in Agricultural Vocational Education and Training institutions, two interventions in the evaluation process aimed to tackle these problems were examined: (1) starting with explicating the CBA in the teacher team using a concrete explication format and (2) qualitatively involving key stakeholders (i.e., teachers, students and employers) in the evaluation of the CBA through mixed-...