In a study of the application natural language processing to second-language instruction, two versions of the Nihongo-CALI (computer-assisted language instruction) system were developed. Empirical data support the possibility/effectiveness of intelligent CALI to facilitate second-language acquisition. (19 references) (LB)

Describes an experiment designed to determine which language errors interfere to the greatest degree with comprehension by native speakers of the language. For this purpose, an instructor prepared a list of most serious Spanish language errors which was submitted to native speakers for evaluation in terms of comprehension and acceptability. (MES)

Examines the role of constructive feedback in adult foreign language error correction. Gives guidelines applying to written work and discusses indirect and direct correction treatments. While stressing the value of the former as an opportunity for discovery learning, favors a combination of the two as the most effective technique. (MES)