An evaluation can be conducted in-house or can be outsourcedto an external party. Yet organizations do not always have fulldiscretion to decide on the locus for evaluation implementation.Certain... Show moreAn evaluation can be conducted in-house or can be outsourcedto an external party. Yet organizations do not always have fulldiscretion to decide on the locus for evaluation implementation.Certain attributes often push the organization in one directionor another. Via a systematic pairwise comparison of attributes of18 organizations in the Flemish (Belgian) public sector, we wereable to indicate the conditions that matter most in determiningthe locus of policy evaluation implementation. Our findings canthus enrich existing guidelines on the advantages and disadvantagesof internal and external evaluations. Show less