The value of z-scores in social work supervision and practice

Abstract

Z-scores are presented as a tool to enable a clinical supervisor or practitioner to monitor a client’s multiple factors over time. A review of the statistics of normal distributions if presented within the context of practice evaluation. Three advantages of z-scores exist. 1) Multi-dimensional aspects of a client are clarified; 2) practitioner develops a clearer understanding of complex problems; 3) progress within the passage of time is illuminated. Three practice examples are provided that demonstrate the versatility z-score monitoring designs. Guidance is given to direct the most efficient manner to apply z-scores to everyday practice.