This study investigates the correlations between the three measures of written receptive vocabulary size and second language (L2) depth of vocabulary knowledge to find the most reliable test of vocabulary size. Moreover, the corresponding relationship is examined for the higher and lower word-frequency bands of the three tests to find whether the…

The present study investigates the interaction between vocabulary breadth and depth on the one hand and assessments of L2 learners' descriptive writing on the other. The predictive role of these two dimensions of vocabulary knowledge in relation to the vocabulary component of the assessment was also examined. The extent to which vocabulary…