American and EFL students' comprehension difficulties in reading scientific discourse containing implicit and explicit definitions were tested. Though both found implicit information more difficult to comprehend, the differences in scores on the implicit and explicit definitions remained the same even where English proficiency increased. (PMJ)

The ability of two groups of different language proficiency to make appropriate grammatical judgments and correct sentences was analyzed. With increased proficiency, students moved from a general grammatical ability to an ability to identify and correct details. Results are discussed in terms of concepts of implicit/explicit knowledge and…

It is argued that cognitive/academic language proficiencies in first and second languages are interdependent and empirically distinguishable from interpersonal communication skills. This analysis is applied to the interpretation of data on the effects of bilingual education programs and on the age issue in second language learning. (PMJ)