Prison officials then instituted an hour a day of “psycho-educational teaching” for the prisoners, who were placed in cage-like outdoor cells arranged in a semicircle and facing a counselor.

Prison officials then instituted an hour a day of "psycho-educational teaching" for the prisoners, who were placed in cage-like outdoor cells arranged in a semicircle and facing a counselor.

The most effective of the various procedures used over the past two decades involve what have been called "psycho educational interventions."