“…Strong predictability of the original matching law in human social behavior has been demonstrated by many researchers (e.g., Bradshaw, Ruddle, & Szabadi, 1981;Epling & Pierce, 1983;McDowell, 1981McDowell, , 1988Myerson & Hales, 1984). Additionally, the applicability of the extended matching law in theories of human choice behavior has also been recognized widely in sociological studies of choice behavior (e.g., Gray, Griffith, Sullivan, & von Broembsen, 1982;Gray & Stafford, 1988;Gray, Stafford, & Tallman, 1991;Gray & Tallman, 1984;1987;Stafford, Gray, Menke, & Ward, 1986). …”