rehoot
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Yvain said:
You can end up utilitarian either because you're a psychopath and don't have the special moral module - in which case you default to general purpose reasoning - or because you're very philosophical and have a specific preference for determining moral questions by the same logic with which you determine everything else, thus deliberately overruling the special moral module.
I participate in utilitarian forum, and from that experience I would add to the quote above by saying that there are some people who encountered emotional arguments about "painism" or "speciesism" (e.g. arguments from Singer; Ryder, and the like) and followed those arguments to utilitarianism. I would expect that there are few people in this category as a percentage of the total population (in part because few people seriously study ethics of any kind and fewer still find their way to that end).
I looked at the IB web page and it appears to be "critical thinking" as opposed to direct instruction in logic or other more-practical reasoning skills. The first problem is that there is lack of agreement about what critical thinking is (Lloyd and Bahr, 2010). Another problem is whether critical thinking skills are generalizable. What I know of critical thinking assessment is that there is emphasis on high-level approach to problems and a lack or complete absence of formal logic, math, statistics, or other specific skills that might help people to solve complex problems. There is no way that a class in critical thinking can substitute skills for... (read more)
I don't understand the basis for the Cosmides and Tooby claim. In their first study, Cosmides and Tooby (1996) solved the difficult part of a Bayesian problem so that the solution could be found by a "cut and paste" approach. The second study was about the same with some unnecessary percentages deleted (they were not needed for the cut and paste solution--yet the authors were surprised when performance improved). Study 3 = Study 2. Study 4 has the respondents literally fill in the blanks of a diagram based on the numbers written in the question. 92% of the students answered that one correctly. Studies 5... (read more)