VOCABULARY SIZE AT FOUR STAGES OF LANGUAGE DEVELOPMENT

Abstract

One of the main aims of language learning is developing communicative competence, or the ability to communicate effectively in everyday situations. In order to achieve that, besides grammar knowledge, learners need to acquire enough vocabulary knowledge that would enable them to use the language outside the classroom, which requires acquiring significant receptive and productive word knowledge in order to be able to participate in various communicative situations. Research shows that the most frequent 2000 words comprise about 85% of the words in any text regardless of the topic, and that learners need to know at least 3000 word families in order to be able to use the language successfully and to be able to read authentic texts with understanding. However, experience shows that acquiring a large vocabulary is one of the biggest obstacles that language learners face in the process of language acquisition. Nevertheless, since vocabulary knowledge is the key component of the overall communicative competence, is it necessary to invest time and effort to learn the most frequent words in the language. The aim of this study is to determine the vocabulary size of language learners at four stages of language development. In addition, the study attempts to determine the difference between receptive and productive knowledge of vocabulary, as well as the difference between knowledge of words seen in isolation and in context. The participants were four groups of learners, of whom three groups comprised elementary and secondary school students and one group were university students. The results showed that during the first five years of learning the vocabulary knowledge increases at a greater rate, that learners have better receptive than productive knowledge of words, and that seeing words in context helps learners demonstrate greater receptive and productive vocabulary knowledge.
 
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