Internal or External Evaluation

In a similar vein, the arranger may be the agency, but the producer could be an outside body, and the intended user the agency. An evaluation is considered external if it is produced by a body external to the agency legally in charge of the evaluand. If some body external to the evaluatee is the producer of an evaluation, the evaluation is external. External evaluations can be arranged and used by insiders, but must per definition be produced by outsiders. Effective internal evaluation provides an indispensable support for managers, Arnold Love argues in his perceptive book Internal Evaluation. When the purpose is accountability to outside parties, evaluations should be external. Preferably, they should be conducted by some autonomous body, because objectivity is important. Generally, external evaluations carry greater credibility as objective enterprises than do internal evaluations. Improvement evaluations are best conducted in house.

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