[Study of rating scale of mentally prisoner's competency to serve a sentence].

ABSTRACT

OBJECTIVE: To create an instrument to determine the mental prisoners' competency to serve a sentence, which is according with the Chinese legal system. METHODS: Integrating the Chinese criminal jurisprudence and the authors' forensic psychiatric experience, the research team created an instrument which called Competency to serve a sentence Rating scale firstly, then used the instrument retrospectively, in the end the validity and reliability of the instrument were inspected and, through an diagnostic test, the feasibility of the instrument was evaluated. RESULTS: Homogeneity reliability of the instrument is 0.8779, the correspondence of the conclusion between the instrument and the expertise is 0.909, except the positive likelihood ratio is 0.0683, the other diagnostic index are better. CONCLUSION: The Competency to serve a sentence Rating Scale is feasible.