The applied linguist, who most commonly uses interlanguage analysis for nonstandard language forms, and the language teacher, who relies heavily on error analysis, each need to learn the usefulness and viability of the other method in his own professional context. Examples focus on the written preterit form in Spanish. (44 references) (Author/MSE)

Errors in the spoken French of immersion students, reflecting a fossilized interlanguage and language transfer, are attributed to an erroneous assumption underlying immersion instruction: that students acquire the second language in the same way they acquire their native language. An improved syllabus aimed at second-language learners is…