A knowledge of areas of difficulty as well as their underlying causes is necessary before instructional materials, teaching techniques, and evaluation methods in foreign language instruction can be organized. This research describes three methods of analyzing the problems in foreign language learning and suggests their complementary role in…

This paper investigates the development of negative Wh-questions in a four year old subject acquiring English as her L1. Spontaneous and elicited speech samples were collected over a period of 6 months. During the course of the study, the subject began to invert subject and auxiliary, and by the end of the study she was inverting correctly in 38%…