College students do hone some kinds of reasoning that are specific to their major. One ambitious study at the University of Michigan tested natural-science, humanities, and psychology and other social-science majors on verbal reasoning, statistical reasoning, and conditional reasoning during the first semester of their first year. When the same students were retested the second semester of their fourth year, each group had sharply improved in precisely one area. Psychology and other social-science majors had become much better at statistical reasoning. Natural-science and humanities majors had become much better at conditional reasoning—analyzing “if … then” and “if and only if” problems. In the remaining areas, however, gains after three and a half years of college were modest or nonexistent. The takeaway: Psychology students use statistics, so they improve in statistics; chemistry students rarely encounter statistics, so they don’t improve in statistics. If all goes well, students learn what they study and practice.
Actually, that’s optimistic. Educational psychologists have discovered that much of our knowledge is “inert.” Students who excel on exams frequently fail to apply their knowledge to the real world.
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I’m cynical about students. The vast majority are philistines. I’m cynical about teachers. The vast majority are uninspiring. I’m cynical about “deciders”—the school officials who control what students study. The vast majority think they’ve done their job as long as students comply.
