Incidental Vocabulary Acquisition has many advantages:
It is contextualized and gives the learner a richer sense of word use and meaning that can be
provided in group activities. It also allows vocabulary learning and reading to happen at the same
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time. It is individualized and learner–centered because the vocabulary to be learned depends on
the learner‘s own selection of reading materials. Presentation, consolidation and lexical
development occur at the same time. On the other hand; Incidental Vocabulary Acquisition also
has a few disadvantages: It does not work for learning core vocabulary, since it is individualized
and the vocabulary that is acquired is dependent on the learner‘s own selection of reading
material. There is no control over what learners learn, so learning might not even take place.
Incorrect guessing might lead to incorrect understanding of vocabulary (Huckin and Coady,
1999: 186).