child language - lexical/semantic development

Question 1

what is categorical overextension

Answer 1

relates to confusing a hypernym (broad category e.g. fruit) with a hyponym (specific example)

Question 2

what is analogical overextension

Answer 2

associating objects which are unrelated but which have one or more common feature

Question 3

what is predicate overextension

Answer 3

conveying meaning that relates to absence e.g. saying cat when looking at empty cat basket

Question 4

what is under extension

Answer 4

when the meaning ascribed to a word is narrower than the meaning in adult language

Question 5

what is a hypernym

Answer 5

a category

Question 6

what is a hyponym

Answer 6

examples within categories

Question 7

what is labelling

Answer 7

the process of attaching words to objects, as the child learns more about the world their capacity to connect words with an increasing range of objects grows

Question 8

what is network building

Answer 8

having labelled objects children start to identify connections between them, recognizing similarities and differences

Question 9

what is packaging

Answer 9

in trying to ascertain the boundaries of the label the child sometimes confuses hypernyms and hyponyms, giving rise to over and under extensions

Question 10

what is productive vocabulary

Answer 10

describes the word a person is able to use in either speech or writing

Question 11

what is receptive vocabulary

Answer 11

relates to the words a person recognizes/ understands, likely to be larger than productive vocab

Question 12

how many words will a child know approximately at 18 months

Answer 12

50 words

Question 13

how many words will a child know approximately at 2 years

Answer 13

200 words

Question 14

how many words will a child know approximately at 5 years

Answer 14

2000 words

Question 15

how many words will a child know approximately at 7 years

Answer 15

4000 words