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Automatic Detection of Preposition Errors in Learner Writing
In this article, we present an approach to the automatic correction of preposition errors in L2 English. Our system, based on a maximum entropy classifier, achieves average precision of 42% and recall of 35% on this task. The discussion of results obtained on correct and incorrect data aims to establish what characteristics of L2 writing prove particularly problematic in this task.
This work was completed while Rachele De Felice was a doctoral student at Oxford University Computing Laboratory.
Journal Article
PERSPECTIVES; TESTS THAT STAND THE TEST OF TIME
The second thing I ask about is the nature of the instruction. If the teacher asks only one question about ''Moby Dick'' and it is ''What different kinds of whales did they encounter on their voyage?'' my initial impression of the senior English course is not very favorable. On the other hand, it's a positive sign if the mathematics teacher in the middle school asks children to tell her what pi is, not just use it in calculating the circumference of a circle. Paul Diederich, a distinguished English teacher and scholar, was once asked if he understood Eliot's ''Four Quartets.'' He scratched his head and said, ''I don't know. I've never tried to write an exercise on it.'' I said ''good'' tests above. Many of the tests that teachers make up on their way to class, that are kept in fraternity-house files, or that are stored in the new computers academics are so proud of are not good tests. They don't focus on what's most important, don't inspire students to study what's worth studying, and don't present an intellectual challenge to the examinees (or the examiner). Even if the ideas for the test are sound, the translation of those ideas into questions may be weak.
Newspaper Article
ETHICS COURSES ARE MAKING SLOW INROADS
''The professions are defined by unique ethical rights, moral obligations, duties, and privileges,'' added Dr. [Arthur L. Caplan], who is also associate for social medicine at Columbia University's College of Physicians and Surgeons. ''For this reason ethics courses cannot be remedial humanities education for someone who majored in chemistry.'' The ethical rounds put teaching of ethics on a par with the teaching of other medical subjects. ''If we teach ethics differently from other subjects in professional schools,'' Dr. Caplan noted, ''students won't take it seriously.'' The goals of such courses, most experts agree, is not to provide students with the ''right answer,'' but to enable them to understand moral dimensions of the problems. ''Ethics courses do not change feelings,'' Professor [Norman E. Bowie] said. ''If they are successful, they enable people to distinguish good from bad arguments.''
Newspaper Article