Therefore, the issue of vocabulary assessment in the second language learning has become one of the great concerns of test developers.
Vocabulary is one of the most elusive terms to define.Based on a number of previous researches and studies, in this passage, the author designed a series of tests to some Chinese university students to investigate the correlational relationship among vocabulary breadth, depth and reading comprehension. The lexical approach: The state of ELT and the way forward. The major research findings of the study indicate that there exists a moderate, positive correlation relationship among vocabulary breadth, vocabulary depth and reading comprehension., 95-103. The scores of the WAT-C produced by three different scoring methods consistently predicted reading comprehension significantly in the informed condition as opposed to the uninformed condition.Taken together, these findings suggest that the informed condition may be preferred for administering the WAT-C.