to the Problem of the Under-Utilisation of Quality Assurance Data, and the Research Approach.- A Theoretical Framework for Analysing the Implementation and Effects of Quality Assurance Systems in European VET.- Factors Influencing the Use of Quality Assurance Data in Dutch (I)VET for the Health Care Sector.- Factors Influencing the Use of Quality Assurance Data in English (I)VET for the Health Care Sector.- Factors Influencing the Use of Quality Assurance Data in Danish VET for the Health Care Sector.- Factors Influencing the Use of Quality Assurance Data in Estonian (I)VET for the Health Care Sector.- Factors Influencing the Use of Quality Assurance Data in Italian (I)VET for the Health Care Sector.- Factors Influencing the Use of Quality Assurance Data in German (I)VET for the Health Care Sector.- The Factors that Matter for Quality Assurance Across Six Countries.- Guidelines for the Quality Assurance of Vocational Education and Training in EU Countries.