A normal child has dysfluency of speech between:
a. 2 and 4 years(Ref: Nelson's 20/e p 65-77, Ghai 8/e p 52-53)Language development occurs most rapidly between 2 and 5 years of age. The period of rapid language acquisition is also when developmental dysfluency and stuttering are most likely to emerge
2 and 4 years
4 and 6 years
6 and 8 years
8 and 10 years
Growth, Development, and Behavior