Comparative Outcomes of Teacher Coaching Versus Parent-Implemented Intervention for Preschoolers at Risk of Developmental Delay in Thailand

Somsiri Rungamornrat, Yuwadee Pongsaranuntakul, Jinnaphat Sangngam and Apawan Nookong

Nursing Research and Practice, 2026, vol. 2026, 1-12

Abstract: BackgroundEarly childhood developmental delays are a major concern in low- and middle-income countries (LMICs), where gaps often exist between developmental surveillance and follow-up support. In Thailand, the Developmental Surveillance and Promotion Manual (DSPM) provides a national framework for screening and promotion; however, practical models for integrating DSPM guidance into daily classroom and home routines in community daycare settings remain limited.AimTo compare two brief nurse-facilitated implementation models—teacher coaching using practice-based coaching (PBC) and a parent-implemented intervention (PII)—and examine their effects on adult practices and short-term developmental outcomes in preschool children at risk of delay.MethodsA quasi-experimental, two-group pretest–posttest study was conducted in two community daycare centers. Forty-nine at-risk children and primary caregivers were enrolled (PBC: 26 dyads; PII: 23 dyads), along with 17 teachers (PBC: 8; PII: 9). Each center implemented one model over a 4-week intervention period with follow-up assessment approximately 4 weeks later. Outcomes included teacher developmental knowledge, teacher and caregiver developmental-promotion behaviors, and child pass/fail status across five DSPM domains. Continuous outcomes were analyzed using 2 × 2 mixed-design repeated-measures ANOVA; within-center domain changes used exact McNemar’s tests.ResultsTeacher knowledge improved over time, and the magnitude of improvement differed between models (group-by-time interaction), with larger gains in the PII center than the PBC center. Teacher and caregiver developmental-promotion behaviors improved significantly from pre to post (main effects of time), while group-by-time interactions were not significant, indicating comparable behavioral gains across pathways. Within-center DSPM analyses suggested short-term reductions in delayed status in selected domains in both centers.ConclusionBoth PBC and PII were feasible in community daycare settings and associated with meaningful short-term improvements in adult developmental-promotion practices and selected DSPM domains. Child domain patterns should be interpreted descriptively because DSPM changes were analyzed within centers rather than as between-model contrasts to inform service planning and scale-up.Trial Registration: Thai Clinical Trials Registry (TCTR): TCTR20250106003

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlnrp:6653365

DOI: 10.1155/nrp/6653365

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