Abstract: Vocabulary knowledge is widely regarded as the building block of language learning. In order to reach the fluency level of language, ones need to acquire the large amount of words. This paper aims to examine the roles of textbook, teacher, and informal activities in vocabulary acquisition as they are the three most common methods of lexicon input. The Analyze is based on the researches and studies of the related topics. The result of the investigation suggests that formal classroom teaching is still the most effective source of input for the vocabulary learning. The quality of teacher and textbook or other forms of classroom material combined is the most important source of vocabulary. However, the informal activities outside the classroom can play important role in word knowledge development as well as the supplementary resources in the learners’ acquisition of lexicons. Nevertheless, the rate of vocabulary acquisition may vary in each individuals depend on their or her own motivation.
Keywords: vocabulary acquisition, textbook learning, teaching vocabulary, informal language learning.
Title: The Roles of Textbook, Teacher, and Informal Activities in Vocabulary Acquisition
Author: SUNTIPAAP SUNGPRAKUL
International Journal of Social Science and Humanities Research
ISSN 2348-3156 (Print), ISSN 2348-3164 (online)
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