Roger Brown - 5 Stages Of Development

Question 1

15-30 months

Answer 1

Joining two words, referred to as telegraphic speech

Question 2

28-36 months

Answer 2

Naming of objects, describing experiences with use of ‘ing’ endings, in inclusion of ‘in’ and ‘on’, and use of ‘s’ plurals.

Question 3

36-42 months

Answer 3

Using past tense, and possessiveness

Question 4

40-46 months

Answer 4

Speaking sentence with more complex use of past tense and articles

Question 5

42-52+ months

Answer 5

Making more complex sentences with use of contractions and third person irregular.

Question 6

Criticisms

Answer 6

• the study sample was restricted to three children
• he did not account for meaning, but only looked at the length of what was said.
• his framework cannot be used to measure the clarity of speech