Maximum security prison inmates who learned the Transcendental Meditation Programme displayed increased self-development (ego development) in comparison to controls.Ref.Journal of Offender Rehabilitation 36: 127–160, 2003 Better Relationships Maximum security prison inmates who learned the Transcendental Meditation Programme were found to have a decreased tendency to assault in comparison to controls.Ref.Criminal Justice and Behavior 5: 3–20, 1978