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Cognitive and social-emotional development in the first three years of life is associated with later skills. However, little is known about the paths of developmental delays in both cognitive and social-emotional skills before age 3 or to what extent these paths predict later developmental outcomes. The aim of this study is to examine the associations between the different paths of developmental delays in both cognitive and social-emotional skills of children before age 3 and the levels of development of the children when they are preschool age. Using a longitudinal data collected at three time points from 1245 children and their caregivers in rural China, we identified four different paths of developmental delays in cognitive and social-emotional before age 3 and examined how these paths are associated with different levels of developmental outcomes at preschool age. We used a non-parametric standardization approach and an ordinary least squares model to perform our analyses. Findings show that rates of developmental delays in either cognitive or social-emotional domain or both domains are high at all different time points, ranging from 20% to 55% for cognitive delays and 42% to 61% for social-emotional delays. Over half of children experienced deteriorating levels of either cognitive or social-emotional development before age 3. A large share of children was found to be persistently delayed in either domain. Only a small share of children raised their levels of development in either domain before age 3. In addition, we identified certain socioeconomic status of the family that are associated with never or deteriorating path of child developmental delays. More importantly, we revealed that different paths of developmental delays before age 3 have predictive power on different levels of developmental outcomes at preschool age. Our results suggest that actions are needed at the earliest times to improve child development when children are still infants or toddlers., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2024 Wang et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

This paper examines the impact of parental beliefs on child development outcomes (for both cognitive and social−emotional skills) based on a three-wave longitudinal survey in rural China. The survey waves were conducted when the sample children were 18−30 months, 22−36 months, and 49−65 months, respectively. A total of 815 children and their primary caregivers who participated in all three wave surveys were enrolled in this study. Using difference-in-differences and propensity score matching approaches, the results indicate that strengthened parental beliefs have a positive and significant impact on child social−emotional development. Specifically, between the periods of the Wave 1 survey (when children were 18−30 months old) and the Wave 3 survey (when children were 49−65 months old), and between the Wave 2 survey (when children were 22−36 months old) and the Wave 3 survey, strengthened parental beliefs were causally associated with more favorable child social−emotional scores by 0.44 SD (p < 0.01) and 0.49 SD (p < 0.01), respectively. No significant impact, however, was found between the period of the Wave 1 survey and the Wave 2 survey. In contrast, weakened parental beliefs had a negative and significant impact on child social−emotional development. Specifically, weakened parental beliefs were causally associated with worse child social−emotional abilities by 0.35 SD (p < 0.01), 0.30 SD (p < 0.01), and 0.22 (p < 0.05) for the time period of the Wave 1 to Wave 2, Wave 1 to Wave 3, and Wave 2 to Wave 3, respectively. No significant impact of parental beliefs, however, was found on child cognitive development. In addition, the findings of the mediation analysis show that only a marginal impact of parental beliefs on child social−emotional development can be indirectly explained by parental beliefs through parenting practices. This study calls on policy makers to improve parental beliefs and parenting practices in the hope that it will lead to better child development in rural China.

Using a three-wave longitudinal survey conducted in 815 households in rural Western China, this study aims to examine the association between parental self-perception and early childhood development and the mediation effect of parental investment on the association between parental self-perception and child development when the sample children are at different ages in the early childhood (18-30, 22-36, and 49-65 months). The results demonstrate that parental self-perception are positively and significantly associated with child social-emotional development in all three ages of childhood (from 18 to 65 months). Positive and significant association between parental self-perception and child cognitive development is found in the ages from 22 to 65 months. In addition, findings of this study show that parental investment plays a mediating role in the association between parental self-perception and child cognitive development. The study calls on policymakers to help to strengthen parental self-perception and parental investment related to early childhood development, which should result in better child development in rural China., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Wang, Wang, Li, Guo, Hu, Zhang and Rozelle.)

Background: Social-emotional development during the first three years of life is associated with later social-emotional development and cognitive development. In rural China, research has found large shares of children under age three are developmentally delayed, yet little is known about the paths of social-emotional development before age 3 or how developmental paths predict later social-emotional skills and cognitive skills., Aims: To investigate the paths of child social-emotional development during ages 0-3 and examine how different paths predict social-emotional development and cognitive development at preschool age., Methods: Three waves of longitudinal panel data from 1245 children in rural Western China was collected. Child social-emotional development was measured by the Ages and Stages Questionnaire: Social-Emotional. Child cognitive development was measured by the Bayley Scales of Infant Development and by the Wechsler Preschool and Primary Scale of Intelligence-Fourth Edition. Four paths of child social-emotional development were classified: "never" social-emotionally delayed; "persistently" social-emotionally delayed; "improving," or "deteriorating.", Results: 331 (27%) were never social-emotionally delayed; 373 children (30%) were persistently social-emotionally delayed; 149 children (12%) experienced improving social-emotional development; and 392 children (31%) experienced deteriorating social-emotional development. Children who were never social-emotionally delayed or who were on an "improving" path had higher social-emotional development at preschool age (p < .01). Children who were persistently social-emotionally delayed (p < .5) and on a deteriorating path (p < .01) had lower social-emotional development at preschool age. Children on the persistently delay path also were shown to have lower levels of cognitive development at preschool age (p < .01)., Conclusions: Different paths of child social-emotional development before age 3 are associated with different social-emotional and cognitive development at preschool age., (Copyright © 2022 Elsevier B.V. All rights reserved.)

Previous research has found that there are high rates of mental health problems among caregivers in rural China and that caregiver mental health may be a significant predictor of developmental delays among infants and toddlers in these rural areas. In this paper, we use data from a survey of 986 caregiver-child pairs in rural China to examine the risk factors of caregiver mental health and measure the association between caregiver mental health and child development outcomes. To conduct the empirical analysis, we assess caregiver mental health using the Depression Anxiety Stress Scales-21 (DASS-21) questionnaire and measure child developmental outcomes using the Bayley Scales of Infant and Toddler Developmental Third Edition (Bayley-III). The results show that 32% of caregivers have depressive symptoms, 42% have anxiety symptoms, and 30% have symptoms of stress. The data also demonstrate that caregiver identity and age as well as different measures of socioeconomic status (SES) (characterized by caregiver education, father's education, and household wealth) are all significantly linked to symptoms of caregiver mental health problems. The analysis shows that caregiver depression, anxiety, and/or stress are significantly associated with lower early childhood development (ECD) outcomes in all areas measured (cognition, language, social-emotion, and motor skills). The heterogeneous analysis demonstrates that there are differences in the effects of caregiver mental health problems on ECD among households are from families that are endowed with different levels of SES. On the basis of the findings the study concludes that policymakers should pay more attention to caregiver mental health problems in order to improve child developmental outcomes in rural China. The study cannot, however, draw casual conclusions and cannot rule out the possibility of recall bias when measuring caregiver mental health, which may limit the external validity of the findings.

Previous research has found that there are high rates of developmental delays among infants and toddlers in rural areas of China. Caregiver mental health problems might be one significant predictor of developmental delays among infants and toddlers, as has been found in other areas of the world. One way that the mental health of caregivers could affect early childhood development is through its effect on parenting practices. In this study, we used data from four major subpopulations of rural China to measure the correlation of caregiver mental health problems with the developmental outcomes of infants and toddlers. To do so, the study used the Bayley Scales of Infant Development III (BSID III) to examine the rates of developmental delays among 2514 rural infants/toddlers aged 6⁻30 months old. The results of the testing demonstrate that 48% of the sample's infants/toddlers have cognitive delays; 52% have language delays; 53% have social-emotional delays; and 30% have motor delays. The data collection team also assessed caregiver mental health by using the Depression Anxiety Stress Scales (DASS-21) questionnaire. According to the findings, 39% of caregivers in the sample have symptoms of at least one kind of mental health problem (depression, anxiety, or stress). We also found that most caregivers do not engage in positive parenting practices, while a significant share of caregivers engage in negative parenting practices. The statistical analysis found that showing signs of mental health problems is significantly and negatively associated with infant/toddler developmental outcomes. The study also found that caregivers who show signs of mental health problems are significantly less likely to engage in interactive parenting practices. The study confirms that society needs to pay more attention to caregiver mental health problems in order to improve infant/toddler developmental outcomes in rural China and increase human capital accumulation in China as a whole.

Research in developed countries has found that paternal involvement has positive and significant effects on early childhood development (ECD). Less is known, however, about the state of paternal involvement and its influence on ECD in rural China. Using data collected in Southern China that included 1,460 children aged 6-42 months and their fathers (as well as their primary caregivers), this study examines the association between paternal involvement and ECD. Although the results demonstrate that the average level of paternal involvement is low in rural China, paternal involvement is related to a significant increase in three domains of ECD (cognition, language, and social-emotional skills). Older children benefit significantly more than do younger children from paternal involvement in all domains of ECD. The results also show that, if the mother is the primary caregiver, the mother's higher educational level and the family's higher socioeconomic status are positively associated with paternal involvement.

Despite rapid economic growth in China since 1978, rural-urban inequality has widened. High levels of socioeconomic inequality can have profound implications for child development and lifelong educational equity. Using a dataset containing early childhood development (ECD) outcomes of 0- to 3-year-olds (N = 9,053) from study sites in Eastern, Central, and Western China, the study finds that the risks of cognitive, language, and motor delay are, respectively, 43.2, 18.3, and 20.7 percentage points higher in rural study sites than in urban Shanghai (ps <.01). Impact evaluation of cluster-randomized experiments shows that parental training (focusing on child psychosocial stimulation and caregiver-child interaction) can improve parenting beliefs and practices (or investments) and ECD outcomes of disadvantaged rural children (p<.01). Such programs can play an important role in advancing progress toward more social equality and economic equity, the stated goals of China's "Common Prosperity" policy. [ABSTRACT FROM AUTHOR]

Research in developed countries has found that paternal involvement has positive and significant effects on early childhood development (ECD). Less is known, however, about the state of paternal involvement and its influence on ECD in rural China. Using data collected in Southern China that included 1,460 children aged 6–42 months and their fathers (as well as their primary caregivers), this study examines the association between paternal involvement and ECD. Although the results demonstrate that the average level of paternal involvement is low in rural China, paternal involvement is related to a significant increase in three domains of ECD (cognition, language, and social-emotional skills). Older children benefit significantly more than do younger children from paternal involvement in all domains of ECD. The results also show that, if the mother is the primary caregiver, the mother's higher educational level and the family's higher socioeconomic status are positively associated with paternal involvement. [ABSTRACT FROM AUTHOR]

• Home-visiting interventions have positive effects on child cognitive development, parenting beliefs and parenting practices of caregivers in rural China. • Home-visiting interventions have null effects on child social-emotional development in rural China. • Three mechanisms are identified through which interventions are able to raise child cognitive development. • Shifting parenting beliefs; increasing parenting practices; and shifting parenting beliefs thus fostering better parenting practices of primary caregivers are the three mechanisms that are driving our overall results of the impact of home-visiting interventions on early child development. To better understand the impacts of parenting interventions (e.g., parental training of psychosocial stimulating activities) on child developmental outcomes and design effective policies to benefit young children, it is essential to identify the mechanisms through which the interventions work. To this end, this paper presents the results of two randomized controlled trials that offered home visitation, parenting trainings to 435 households (with 527 households as the control group) in 174 villages across three provinces in China. The findings from the randomized controlled trials showed that the interventions significantly improved child cognitive development and had a positive effect on the primary caregivers' parenting practices and their parenting beliefs. The analysis suggests three possible mechanisms through which the parenting interventions affected child cognitive development: changing the parenting beliefs of the primary caregivers, shifting the parenting practices of the primary caregivers, and improving the primary caregivers' parenting beliefs, thus fostering better parenting practices. [ABSTRACT FROM AUTHOR]

• Teacher qualifications are significantly correlated to preschool child development. • Teacher education level is highly associated with preschool child development. • Teacher professional ranking is highly associated with preschool child development. • Teacher experience has no relation to preschool child development. • Teacher training has no relation to preschool child development. In the preschool period, interactions between teachers and children are an essential input for healthy development. However, it is not well understood how the qualifications of preschool teachers contribute to child development during the preschool period, and previous international studies have returned mixed results. We drew on data from a longitudinal study of 1031 preschool children age 49–65 months in rural China to examine the associations between teacher qualifications and the development of preschool children. The findings showed that 36% of preschool children in the sample are developmentally delayed. Overall, teacher qualifications (education level, specialization in early childhood education, professional ranking, experience and training) were significantly associated with preschool-age child developmental outcomes. Teacher professional ranking and educational attainment were positively and significantly correlated with two measures of child language development, but a degree specialized in early childhood education was negatively related to vocabulary acquisition. No significant correlations were found between teacher experience or teacher training and child developmental outcomes. The study concludes that policymakers should encourage highly educated and professionally ranked teachers to serve in rural preschools in order to improve the development of preschool children. [ABSTRACT FROM AUTHOR]

• Authoritative parenting style is significantly and positively associated with preschool-aged child cognitive development. • Authoritarian parenting style is significantly and negatively associated with preschool-aged child cognitive development. • Mothers, more educated, and higher SES caregivers are more likely to use authoritative parenting style. • Authoritative parenting style has greater benefits in terms of cognitive development for girls than boys. The correlation between parenting style and child cognitive development has been widely documented in Western societies. There has been far less research, however, in non-Western societies and none at all in rural China. This study aimed to investigate the association between parenting style and child cognitive development in rural China. Participants were 1272 preschool-aged children and their primary caregivers. Children were 49 to 65 months old (51% male), and all were ethnically Han. Primary caregivers reported their parenting style, and children were assessed on their cognitive skills. Two alternative approaches (two dimensions and four categories) were used to examine the correlation between parenting style and child cognitive development. The results show a positive correlation between an authoritative parenting style and child cognitive development and show a negative correlation between an authoritarian parenting style and development. When the mother is the primary caregiver, more educated, or from a wealthier family, she is more likely to use an authoritative parenting style and less likely to use an authoritarian one. In addition, the authoritative style has a stronger correlation with the cognitive developmental outcomes of girls than of boys. The findings encourage researchers to conduct future work on how to implement parenting training interventions that are able to ascertain whether parents in rural China can be taught to adopt an authoritative parenting style. Future research should also seek to identify whether an authoritative parenting style produces (in a causal manner) any significant long-term benefits to the cognitive development of children in rural China. [ABSTRACT FROM AUTHOR]