“…Previous research has shown that public feedback on performance can be an effective strategy for changing group behavior. Publicly posted signs have been used in hospitals to improve staff performance (Greene, Willis, Levy, & Bailey, 1978;Hutchinson, Jarman, & Bailey, 1980;Panyan, Boozer, & Morris, 1970;Quilitch, 1975), in 449 NUMBER4 (WINTER 1995(WINTER ) 1995 NICK C. JACKSON and R. MARK AM THEWS stores to reduce shoplifting (Carter, Hansson, Holmberg, & Melin, 1979;Carter, Holmstrom, Simpanen, & Melin, 1988;McNees, Egli, Marshall, Schnelle, & Risley, 1976), in schools to decrease student disruptions (Holland & McLaughlin, 1982;Staub, 1990), and on highways to reduce speeding (Van Houten & Nau, 1981, 1983Van Houten, Nau, & Marini, 1980;Van Houten et al, 1985). Thus, it appears that public feedback on donations to a multipurpose senior center might similarly affect the probability of community members making donations.…”