Oral Language Difficulties in Early Childhood: Implications for Socio-Emotional Development, A Theoretical Review
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Abstract
Early language acquisition is essential for children’s cognitive, self-regulatory, and social development (Santamarta & Arrimada, 2025; Herranz & Delgado, 2013; UNICEF, 2020). Yet, many preschoolers experience oral language difficulties, expressed as delays in verbal expression or comprehension (Norbury et al., 2016; Bishop et al., 2016; Lindsay & Strand, 2016). This Theoretical Review analyzes how such difficulties affect socio-emotional development, reviewing major theories, debates, and recent findings. The Introduction defines the problem and emphasizes early childhood as a crucial period for language and socio-emotional growth (Sunderajan & Kanhere, 2019; Baixauli-Fortea et al., 2015; Hentges et al., 2021). The Development reviews literature on the nature, prevalence, and effects of early language difficulties on interaction, behavior, and emotional health, as well as possible explanatory mechanisms (Yew & O’Kearney, 2013; Burnley et al., 2023; Curtis et al., 2018; Chow et al., 2018; Kapa & Mettler, 2021). It also discusses controversies regarding the direction of the language-emotion link and contextual or temperamental influences (Redmond & Rice, 1998; Yew & O’Kearney, 2015; Samson et al., 2020). The Conclusions stress that untreated difficulties heighten the risk of enduring socio-emotional issues, though not uniformly (Yew & O’Kearney, 2013; Maggio et al., 2013; Santamarta & Arrimada, 2025), while acknowledging evidence gaps and calling for integrated interventions addressing language and socio-emotional skills in educational and clinical contexts (Brinton & Fujiki, 2005; Toseeb et al., 2020; McGregor, 2020).
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