Psychology / 4 full pages @ least/ research-supported / no plagiarism

Speech and Language Development in Children: A Developmental focus
(USE ONLY RESEARCH/PEER-REVIEWED ARTICLES)
Sub-Titles (Please write with a developmental psychology approach)
Text book for course can be downloaded but cannot be used as reference for paper 
Introduction
Definition of Terms (Language/Speech)
How language develops
Language Disorder : Identification, Causes and Treatment
Relationship between Language and thoughts/thinking
Other interesting Ideas
Current and Future RESEARCH
Conclusion (Half a page)