NASW's ethical principles flow from its six stated values: service, social justice, dignity and worth of the person, importance of human relationships, integrity, and competence. All four perspectives can be regarded as ways of operationalizing the service value. Social justice is explicitly recognized in both the multiple perspectives approach and in the NASW values. Shared power seems to encompass several values: importance of human relationships, dignity and worth of the client, integrity and competence.

The one perspective that is not as obviously tied to the NASW values is that concerned with evidence-based practice. However, evidence-based practice could be considered an over-arching perspective if the social worker insists that there be empirical evidence, obtained before the intervention or practice occurs, that it will effectively serve the client. That is, it shows promise of meeting the client's needs in a manner that attends to his network of relationships and recognizes his dignity...
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