Objective To investigate the effects of feedback family intervention on language and cognitive development in infants and toddlers and to explore the feasibility and parental acceptance of the intervention. Methods A total of 22 typical families/children(4~30 months) were targeted in the study.Bayley Scales of Infant Development-I (BSID) was used to assess language and cognitive development of children at baseline and the end of intervention. Results After 6 months intervention, more than 90% of parents found the LENA recordings were easy to be operated and didn't disturb their daily life.Parent trainings were the most effective method within all intervention, LENA recordings were less effective than parent training.Adult-child conversational turns (CT) increased 9% by the first month, then 6% by the first 3 months of intervention.CT was increased 34% by the first month and 26% by the first three months in the lower half of the sample.After 6 months intervention, Bayley mental development index(MDI) increased 19.69±16.91 (P<0.001). Conclusions LENA as an evaluation tool can reflect parent-child interaction objectively.The feedback family intervention has good feasibility and parental acceptance, and can promote child language and cognitive development.
Key words
infants and toddlers /
family intervention /
language and cognitive development
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