HRMARS - Hearing impairment significantly impacts a child's language development, communication, and academic achievement. This study aims to evaluate the long-term effectiveness of early intervention strategies and analyze variations in language development based on the use of hearing aids and the level of parental involvement. The research methodology employs a Systematic Literature Review (SLR) guided by PRISMA standards, involving a comprehensive analysis of 11 relevant articles from the Scopus and Web of Science databases for the period of 2022 to 2025. Findings indicate that the intervention timeline is the most critical factor; interventions initiated before 6 months of age achieve language success rates of up to 90%, whereas delays beyond 2 years reduce this rate to 30–40%. The use of hearing aids significantly enhances audibility, allowing children to achieve language levels comparable to their typical-hearing peers in certain instances. Furthermore, parental self-efficacy and active involvement were identified as primary variables, contributing to an 85% success rate in language skills. However, the study also reveals that developmental gaps in morphosyntax remain difficult to close entirely by the onset of formal schooling. In conclusion, intensive early intervention, precise technological application, and the empowerment of the family's role are the keys to optimizing language development outcomes for children with hearing impairment
Saifulkhairi et al. (Fri,) studied this question.
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