This study proposes a new measure of lexical richness, the Lexical Frequency Profile (LFP), which looks at the proportion of high-frequency general service and academic words in learners' writing. The results of a study involving 65 second-language students indicated that LFP scores were comparable to scores on other vocabulary measures. (14…

This study examined development of three types of vocabulary knowledge (passive, controlled active, and free active) over one year of second-language instruction and the relationship of the three types at different stages of vocabulary learning. Subjects were 48 Israeli high school students of English as a Second Language. Results raise questions…