Studies of validity for the Prison Control Scale

Locus of control seems to be important in the adjustment of prisoners both during incarceration and upon release. The Prison Control Scale is one of two measures of locus of control specific to prisons. This paper is an account of validity studies conducted on the scale. Assessments included four tests of construct validity and one each of concurrent and known-groups validity. The results support the validity of the scale. Suggestions for further scale assessment and other research are briefly discussed.