This study investigates whether re-thinking the separation of lexis and grammar in language testing could lead to more valid inferences about proficiency across modes. As argued by Römer, typical scoring rubrics ignore important information about proficiency encoded at the lexis-grammar interface, in particular how the co-selection of lexical and…

This study investigates the validity of second language vocabulary tests, and whether or not test scores accurately reflect the quality of language behavior in real-life situations. It attempts to prove the validity of vocabulary testing by comparing test scores to indices of vocabulary richness in second language production. The student subjects…