“…If the results of the controlled studies are examined together, it is evident that nonprofessionals have been able to alter many indices of psychological dysfunction in adult inpatients, such as: overt behavior (Appelby, 1963;Carkhuff & Truax, 1965;Verinis, 1970); the results of psychological tests (Buckley, Muench, & Sjoberg, 1970;Holzberg, Knapp, & Turner, 1967;Rappaport, Chinsky, & Cowen, 1971); perceptual and motor coordination tasks (Poser, 1966;Rappaport, Chinsky, & Cowen, 1971); and discharge rate (Carkhuff & Truax, 1965). Although five studies (Anker & Walsh, 1961;Beck, Kantor, & Gelineau, 1963;Gelineau & Evans, 1970;Greenblatt &Kantor, 1962;Hartlage, 1970) did not employ a no-treatment control group, they produced additional evidence of the nonprofessional's ability to change the behavior of adult inpatients. These studies found that nonprofessionals were able to change the overt behavior of adult inpatients (Hartlage, 1970;Anker & Walsh, 1961) and the self-concept of the patients (Hartlage, 1970), as well as to increase their discharge rate (Beck, Kantor & Gelineau, 1963;Gelineau & Evans, 1970;Greenblatt & Kantor, 1962).…”