“…In at least nine studies, personality measures were administered either at the request of staff persons associated with the volunteer agency (Beckman, 1972;Smith and Nelson, 1975) or by presumably independent researchers who carried out their studies within the volunteer agency setting (Cowen, Zax, and Laird, 1966;Pretz, 1979;Hersch, Kulik, and Scheibe, 1969;Holzberg, Gewirtz, and Ebner, 1964;Jamison and Johnson, 1975;Sakowitz and Hirschman, 1975;Tapp and Spanier, 1973). In at least nine studies, personality measures were administered either at the request of staff persons associated with the volunteer agency (Beckman, 1972;Smith and Nelson, 1975) or by presumably independent researchers who carried out their studies within the volunteer agency setting (Cowen, Zax, and Laird, 1966;Pretz, 1979;Hersch, Kulik, and Scheibe, 1969;Holzberg, Gewirtz, and Ebner, 1964;Jamison and Johnson, 1975;Sakowitz and Hirschman, 1975;Tapp and Spanier, 1973).…”