ABSTRACT
Because we have been admirers of Ken Manktelow’s work for some time, we are especially glad to participate in this volume honoring his work. In fact, Ken was one of the first to personally welcome us to the field of reasoning. This happened relatively recently because, although we are from Ken’s cohort, our reasoning work did not begin until after we had made contributions to an entirely different research area. Although Richard and Keith had been admirers of the heuristics and biases tradition from its inception in the early 1970s, their first research contributions were in the psychology of reading, and this occupied them for 15 years (see Stanovich, 2000; Stanovich, Cunningham, & West, 1998). By the 1990s though, we had decided to make a contribution to the literature on thinking and reasoning that we had admired so much for so long.
