How to account for the growth in vocabulary knowledge that occurs during the elementary school years. Areas examined include the ways that word meanings are communicated, direct teaching of meanings vocabulary instruction as a part of reading instruction, and deriving and learning word meanings from verbal context. Taken singly, neither direct instruction of meanings nor learning word meanings from context seems to account all that well for the growth in vocabulary that is thought to occur. doi 
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JENKINS, Joseph R. and DIXON, Robert, 1983. Vocabulary learning. Contemporary Educational Psychology. Online. 1 July 1983. Vol. 8, no. 3, p. 237–260. [Accessed 24 November 2022]. DOI 10.1016/0361-476X(83)90016-4.