The report describes improved algorithms within a computer program for identifying spelling and word order errors in student responses. A "markup analysis" compares a student's response string to an author-specified model string and generates a graphical error markup that indicates spelling, capitalization, and accent errors, extra or…

This paper argues that second language instruction that aims to foster speaking skills and natural spoken interaction should be based upon the grammar of the spoken language, and not on grammars that reflect written norms. Using evidence from a corpus of conversational English, this examination focuses on how four grammatical features that occur…