“…Individuals in international organizations usually come from diverse national backgrounds+ When do national backgrounds reinforce, and when do they weaken, international socialization? 14+ See Checkel, this volume;Conover 1991;andHooghe 2002+ 15+ See Beck andJennings 1991;Johnston 2001;Risse 2000;and Sears and Valentino 1997+ 16+ Deception and attitude softness can be problematic among ordinary citizens, as public opinion research has demonstrated+ Zaller 1992+ Attitude softness, however, is rarely an issue for elites whose views tend to be more crystallized on political objects+ Jennings 1992+ There is no fire-proof method for distinguishing true from deceptive preferences+ I cannot discount the possibility that some respondents concealed their true preferences, though the circumstances of the interview~anonymity, voluntary participation, nonsensitive character of the questions!, and the senior status of the respondents considerable discretion, weak peer control! are reassuring+ 17+ In international relations, rationalists tend to take preferences as exogenous, while constructivists endogenize them+ However, as Fearon and Wendt remind us, it is unwise to exaggerate the difference+ Whether one endogenizes preferences is an analytical choice dictated by one's research question+ See Fearon and Wendt 2003, 64+ Preferences are the first step, and behavior the second step, in the two-step dance that is international cooperation+ Legro 1996+ 18+ Checkel, this volume+ • Inculcating values is a gradual process: the longer one's involvement in an organization, the more one's beliefs can be expected to approximate that organization's norms+ 19 While socialization usually requires long-term exposure, some individuals need less time than others+ Thus the rate at which individuals internalize individual norms varies+ Effect of novelty.…”