Friday, Paul C. and Petersen, David M. "The Shock of Imprisonment as a Treatment Technique ". In Correction: Problems of Punishment and Rehabilitation . (1972) Sagarin, Edward & MacNamara, Donald E. J. (eds.), New York: Praeger, pp. 61-63.
2.
Friday, Paul C.; Petersen, David M. & Allen , Harry E. (1973) Shock Probation: A New Approach to Crime Control, Georgia Journal of Corrections, July, 1-13. Waldon, Joseph A. & Angelino , Harry R. (1978) Shock Probation: A Natural Experiment on the Effect of a Short Period of Incarceration , The Prison Journal, Spring, 5-12. Faine, John R. & Bohlander, Edward. (1976) Shock Probation: The Kentucky Experience, USA: Western Kentucky University Press.
3.
For an explanation of the multiple classification analysis techniques and an example of its use, see: Kim, Jae-On & Kohout , Frank J., "Analysis of Variance and Covariance". In SPSS: Statistical Package for the Social Sciences. (1975) Nie, N. M. & Hull, C. H. (eds.), pp. 409-410. Vito, Gennaro F.; Carlson, Eric W. & Parks, Evelyn. (1977) Man to Man Associates an Evanuation of the Effectiveness of Volunteer Assistance to Incarcerated Offenders and Ex-Offenders, USA: The Ohio State University Press , pp. 42-55.
