This paper analyzes the discursive activity of an upper secondary school teacher on the topic of the derivative. Specifically, we focus on the discursive activity when introducing the three essential concepts related to this topic: the average rate of change, the derivative at a point, and the derivative function. The theoretical framework used is…

Analyzes the distribution of 33 linguistic markers of complexity across 23 spoken and written registers of English. Identifies a five-dimensional model and uses it to describe the complexity characteristics of spoken and written registers. Finds that, whereas written registers exhibit profiles differing widely in extent and kind of complexity,…

An analysis of descriptive and narrative passages written by 45 first-semester college freshmen early in the semester suggests that mean T-unit length is not a stable individual trait either within the descriptive mode or across description and narration. (GT)

An analysis of the syntax of economics textbooks was undertaken to (1) provide real-language examples of the difficult grammatical structures being taught in an advanced economics reading course, and (2) construct a factual database of the nature of economics textbooks. Five texts representative of those typically used in introductory economics…

The effects of the randomization of information in clinical cases on the comprehension of 16 physicians and 16 medical students were studied, using structured and unstructured forms of two clinical cases. Attention was directed to the effects of case difficulty and text structure on representations of cases in written protocols, ability to access…

The development of alternative instructional activities for use in the basic writing classroom and a description and analysis of four levels of basic writing are the results of a study of basic writing teaching techniques. The linguistic concepts of immediate and transferred utterances and nominal-verbal pairing, and the work of L. Vygotsky on…

This in-depth study explores problem areas of Hong Kong secondary and university students in writing narrative and argumentative compositions on two different themes. Subjects were 40 university English majors, 40 form four and 40 form six secondary students. The research indicates that the students at these grade levels experienced difficulty in…

A study investigated patterns in the apparent syntactic errors of native English-speaking, upper-level learners of Arabic as a foreign language. One hundred writing samples, including summaries, criticisms, and free composition, were gathered from a number of university courses. Error types analyzed included articles, subordinate clauses, two-word…

The problems encountered by native Japanese-speakers in reading English as a second language are examined. The available literature on the subject as well as firsthand experiences in teaching English, developing reading materials, and conducting research projects are discussed. The discussion focuses on five major areas: the reading process; the…