“…1 Wisconsin general test apparatus. From Harlow (1949), p. 52 Although originally developed for use with monkeys, the WGTA has been modified as needed for use with a wide array of organisms, including pigeons (e.g., Millar and Malott 1968), raccoons (Michels et al 1960), cats (e.g., Warren 1980), dogs and wolves (Ebel and Werboff 1967;Frank et al 1989), rabbits (Livesey 1965), prairie dogs (Cain and Carlson 1968), gerbils (Blass and Rollin 1969;King et al 1968), rats (Valle 1971), chimpanzees (Rumbaugh et al 1987), a variety of small primates (Pournelle and Rumbaugh 1965), and human childrenwith and without developmental disabilities (e.g., Graff and Green 2004;Levinson and Reese 1967;Orlando et al 1960;Olson et al 1966;Weisberg and Simmons 1966).…”