=+2. Conservatism and base-rate neglect seem to be in conflict (Fischhoff & BeythMarom, 1983; Gigerenzer et al., 1989). Conservatism says that people pay too little attention to data, whereas base-rate neglect says that people only pay attention to evidence and ignore base rates. Could the contradiction be explained by differences between studies like Edwards (1968), showing conservatism, and studies like Kahneman and Tversky (1973), demonstrating base-rate neglect?