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Parental investment in the home language environment during the earliest years is a critical predictor of early language development. Because most studies investigating the home language environment and child language development have been conducted in Western, high-income, and developed settings, less is known about such environments in low- or middle-income settings. This study was conducted in a peri-urban area in Southwestern China in a sample of 81 rural migrant and urbanized farmer families with children aged 18-24 months. The home language environment was measured using Language Environment Analysis (LENA) recorders and software, while early language development was measured using the MacArthur-Bates Communicative Developmental Inventories expressive vocabulary scale. Findings reveal large and substantial variation in the sample's home language environments and a strong association between the home language environment and child language development. Certain demographic characteristics, such as household resources, maternal employment, and gender, are associated with the home language environment. These findings highlight the needs for interventions specifically targeting the home language environment to improve early language development of young children and for more research on early childhood development in peri-urban China.

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Early Childhood Research Quarterly
Authors
Tianli Feng
Scott Rozelle
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Using premier Language Environment Analysis technology to measure and analyze the home language environment, this observational study aims to describe the home language environment and child language ability, drawing on empirical data from 77 households with children aged 18–24 months from rural China. The results show large variation in measures of the home language environment and early language ability, similar to other rural Chinese samples. Results also demonstrate significant correlations between child age and the home language environment, maternal employment and the home language environment, father’s educational attainment and the home language environment, adult–child conversations and early language ability, and child vocalizations and early language ability.

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Frontiers in Psychology
Authors
Tianli Feng
Scott Rozelle
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According to World Bank data, only a handful of economies have risen from middle to high-income status since 1960, when economic catch-up growth in many developing economies took off. This article looks at how China compares to other countries stuck at the middle-income level.

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East Asia Forum Quarterly
Authors
Scott Rozelle
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Background
A rich language environment is an important element of a nurturing home environment. Despite their proven importance, vocabulary and conversation have been shown to vary widely across households—even within the same socio-economic class. One significant gap in the existing literature is its nearly exclusive geographic focus on Western and developed settings, with little attention given to poorer communities in lower/middle income countries. The purpose of this study was to empirically illustrate the characteristics of the home language environment in the low SES, non-Western cultural setting of rural China.

Methods
Using Language Environment Analysis (LENA) automated language-analysis system, this study measured the home language environment of 38 children aged 20-27 months in Northwest rural China. Our primary measures of the home language environment were Adult Word Count (AWC), Conversational Turn Count (CTC) and Child Vocalization Count (CVC). Multivariate linear regression models were used to examine the association between home language environment and family/child characteristics, and language skills (Measured by MacArthur-Bates Communicative Developmental Inventory score).

Results
In this paper, by comparison, we found that the home language environment of our rural sample fell far behind that of urban households. We also identify significant, positive correlations between language skills and both AWC and CTC. Our analysis finds no significant correlations between home language environment and family/child characteristics.

Conclusion
In this paper, we present the first ever findings using the LENA system to measure the home language environment of young children from poor rural communities in China. We found that the home language environment of lower-SES household was significantly worse than high-SES households, and demonstrated the importance of the home language environment to language skills, pointing to a need for more high-quality studies of the home language environment in rural China to better understand possible mechanisms behind low levels of parent-child language engagement and ways to improve the home language environment.

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BMC Public Health
Authors
Alexis Medina
Scott Rozelle
Authors
Heather Rahimi
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In conversation with SCCEI Co-director Scott Rozelle, Zhenan Bao, K.K. Lee Professor of Chemical Engineering and former department chair of Chemical Engineering at Stanford University, spoke about her journey to becoming a renowned chemical engineer and innovator and her passion for mentoring the next generation of innovators. 

Throughout the conversation, Professor Bao stresses the need for diversity and collaboration in order to foster an environment of innovation and creativity. She highlights this by sharing her path of discovery to inventing skin-like electronics, stating that it would not have been possible without the exchange of diverse ideas and collaboration with others across disciplines. She also emphasizes how important it is to use the skills and knowledge she has gained throughout her journey to mentor the next generation of innovators. 

Professor Bao concluded the conversation with a message to all, she said, “continue to collaborate, continue to work together. There are so many problems that society and mankind are facing, these are big problems that require everyone from around the world to solve…We need to understand each other to be able to set policies that will be able to advance solving these problems - it requires everyone's collaboration and investment to achieve this.”  

Listen to the full conversation between Professor Zhenan Bao and Professor Scott Rozelle here: 
 

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Stanford Asia Economic Forum Convenes to Explore “Our Shared Future”

Stanford alumni, faculty, and industry leaders met in Singapore to promote the exchange of ideas and mutual understanding between the U.S. and Asia
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Overreach and Overreaction: The Downward Spiral in the U.S.-China Relations

Dr. Susan Shirk joined Stanford Libraries and the Stanford Center on China’s Economy and Institutions as the featured speaker of the 2022 Dr. Sam-Chung Hsieh Memorial Lecture.
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From Education to World Development SCCEI China Chat event with Eric Hanushek.
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From Education to World Development with Professor Eric Hanushek

Stanford Senior Fellow Eric Hanushek joined SCCEI for a conversation on his research looking at the worldwide progress of achieving the UN's Sustainable Development Goals. Hanushek compares different countries' PISA scores and incomes in effort to answer the following questions: Who is competitive? How do labor skills affect development? How skilled is China?
From Education to World Development with Professor Eric Hanushek
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In December 2022, Zhenan Bao, Professor of Chemical Engineering at Stanford University, spoke about her journey to becoming a renowned chemical engineer and innovator and her passion for mentoring the next generation of innovators.

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Introduction Millions of young rural children in China still suffer from poor health and malnutrition, partly due to a lack of knowledge about optimal perinatal and child care among rural mothers and caregivers. Meanwhile, there is an urgent need to improve maternal mental health in rural communities. Comprehensive home visiting programmes delivered by community health workers (CHWs) can bridge the caregiver knowledge gap and improve child health and maternal well-being in low-resource settings, but the effectiveness of this approach is unknown in rural China. Additionally, grandmothers play important roles in child care and family decision-making in rural China, suggesting the importance of engaging multiple caregivers in interventions. The Healthy Future programme seeks to improve child health and maternal well-being by developing a staged-based curriculum that CHWs deliver to mothers and caregivers of young children through home visits with the assistance of a tablet-based mHealth system. This protocol describes the design and evaluation plan for this programme.

Methods and analysis We designed a cluster-randomised controlled trial among 119 rural townships in four nationally designated poverty counties in Southwestern China. We will compare the outcomes between three arms: one standard arm with only primary caregivers participating in the intervention, one encouragement arm engaging primary and secondary caregivers and one control arm with no intervention. Families with pregnant women or infants under 6 months of age are invited to enrol in the 12-month study. Primary outcomes include children’s haemoglobin levels, exclusive breastfeeding rates and dietary diversity in complementary feeding. Secondary outcomes include a combination of health, behavioural and intermediate outcomes.

Journal Publisher
BMJ Open
Authors
Alexis Medina
Gary Darmstadt
Huan Wang
Scott Rozelle
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China’s college enrollment system came to a sudden halt as the Cultural Revolution started. Virtually no students were admitted to colleges from 1966 to 1969. We estimate a marked downward shift in college completion rates for the affected cohorts. Using a regression discontinuity approach, we show that these individuals experienced a sizable reduction in labor supply, earnings, and wealth after some 30 years, which can be attributed to the loss of access to college education. Our results also suggest that the affected generation had made efforts to make up for their loss of education later in life.

Journal Publisher
Economic Development and Cultural Change
Authors
Hongbin Li
Lingsheng Meng
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Book Chapters
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Despite major advancements in China’s K-12 educational outcomes over the past several decades, large regional inequities in academic achievement still exist, a proximal cause of which are gaps in teaching quality. Although conventional approaches to improving teaching quality for disadvantaged populations have overall been unsuccessful in China (i.e., student relocation to better-resourced urban schools, attracting high-quality teachers to low-resource rural schools, and rural teacher training), technology-assisted instruction may play a role in bridging these gaps. This paper explores why conventional approaches to improving teaching have not been effective in rural China and then describes the potential applications of technology-assisted instruction based on the small but growing body of empirical literature evaluating such interventions in other low- and middle-income countries. The paper concludes that while other (non-tech) interventions have thus far been ineffective at raising teaching quality, China may be uniquely positioned to harness technology-assisted instruction due to a favorable ecosystem for the scaling of EdTech in rural areas, though much more experimental research is necessary to assess which approaches and technologies are most cost-effective and how to best scale them.

Authors
Prashant Loyalka
Book Publisher
Springer
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