Determinants of language development during early years: Systematic review

Purpose: This review presents findings from recent studies investigating the role of ecological factor affecting language development.
Methods: A systematic search protocol was followed using both superordinate and subordinate search terms. Multiple searches were run across the major academic databases to identify all possible national and international articles that were available through search engines commonly used.
Results: Several cross-sectional and longitudinal studies demonstrate many ecological factors like maternal interactions, child early babbling, motor development, home environment, birth order, and sibling, SES underline the detrimental effects child language development. Thus, input effects on language outcomes persist even in the absence of genetic confounds.
Conclusion: This review throws light on preventive and intervention measures that could be taken for language development in the early years