“…Some behaviors that have been thus faciltiated include volunteering one's services (Rosenbaum, 1956;Schacter & Hall, 1952), performing altruistic acts (Blake, Rosenbaum & Duryea, 1955;Bryan & Test, 1967;Harris, 1968), pledging oneself to a course of social action (Blake, Mouton & Hain, 1956;Helson, Blake, Mouton, & Olmstead, 1956), assisting persons in distress (Bryan & Test, 1967), seeking relevant information (Krumboltz & Thoresen, 1964), and selecting certain types of foods (Duncker, 1938), activities (Madsen, 1968), or articles (Bandura, Ross & Ross, 1963b). …”