育儿干预对中低收入国家3-7岁儿童语言和读写能力发展的影响：系统评价和元分析。

Children in low- and middle-income countries (LMICs) often have limited access to the structured home learning experiences that support language and literacy development during the critical years around school entry. We conducted a systematic review and meta-analysis of parenting interventions targeting children's language or literacy in these settings. Twenty-six experimental and quasi-experimental studies from 15 countries involving 6,264 children aged 3-7 were included. Dependent effect sizes were synthesized using random-effects models with robust variance estimation. Parenting interventio