Key references:
Paulhus, D.L., & Van Selst, M. (1990). The Spheres of Control scale: Ten years of research. Personality and Individual Differences, 11, 1029-1036.
Spittal, M.J., Siegert, R.J., McClure, J.L., & Walkey, F.H. (2002). The Spheres of Control scale: the identification of a clear, replicable three-factor structure. Personality and Individual Differences, 32, 121-131.
Primary use / Purpose:
Background:
The Spheres of Control scale (SOC) is a multidimensional measure of locus of control, originally designed to assess personal control, interpersonal control, and socio-political control.The Spheres of Control Scale comprises three subscales: Personal, Interpersonal, and Socio-Political Control. The instrument has now been available for almost 10 years and has been used in a wide variety of studies.
Psychometrics:
See Spittal, et al. (2002) for a discussion of the psychometric properties.
