Education
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Purpose: The impact of school-time wear of glasses on children’s education has been shown to be limited by lack of regular compliance in half or more of children, even when free glasses are given. We sought to study the impact of free glasses combined with teacher incentives on in-school use of glasses among Chinese urban migrant children.

Methods: Children in a single randomly-selected fifth grade class in each of 94 randomly chosen primary schools in migrant communities in urban China, underwent measurement of visual acuity (VA) and assessment of spectacle wear and answered questionnaires. Children with VA <= 6/12 in either eye correctable to > 6/12 in both eyes underwent randomization by school to receive free glasses together with a teacher incentive (Incentive), or to Control. In the Incentive group, teachers were told that if >= 80% of children given glasses were wearing them at the time of two un-announced class visits, the class would receive a tablet computer. The Incentive group also received a previously-tested educational intervention promoting glasses use. Control children received prescriptions for glasses and a note to their parents. Self-reported and observed spectacle wear were assessed at 6 weeks and 6 months after distribution, with randomization groups compared by intention to treat using multiple regression.

Results: Among 4376 children, 728 (16.7%, mean age 10.9 years, 51.0% boys) met enrollment criteria and were randomized, 358 (49.2%, at 47 schools) to Incentive and 370 (50.8% at 47 schools) to Control. Among these, 693 children (95.2%) completed the study. Unadjusted and adjusted rates of spectacle wear were significantly higher at 6 weeks and 6 months among Incentive group children compared to Controls (P < 0.001 for observed and reported wear). (Table). In a previous study (Ma et al., BMJ, 2014) in western China, observed wear at six months in a group of similar-aged children receiving glasses and the identical education intervention without teacher incentives was significantly lower at 44.0% (P < 0.001).

Conclusions: Teacher incentives can significantly improve in-school use of glasses among children in this setting, and when combined with free spectacle distribution can maintain wear in two-thirds of children needing them over the course of a school year. Low wear among Controls demonstrates the need for such interventions.

 

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American Journal of Ophthalmology
Authors
Scott Rozelle
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Abstract: The general goal of the present study is to analyze whether children with siblings lag behind their only-child counterparts in terms of health and nutrition, cognition and educational performance, and non-cognitive outcomes. We draw on a dataset containing 25 871 observations constructed from three school-level surveys spanning four provinces in China. The analysis compares children with siblings and only children aged 9 to 14 years old in terms of eight different health, cognitive and non-cognitive indicators. We find that with the exception of the anemia rate, health outcomes of children with siblings are statistically indistinguishable from those of only children. In terms of cognition, children with siblings performed better than only children. Moreover, outcomes of children with siblings are statistically indistinguishable from those of only children in terms of the non-cognitive outcomes provided by measures of anxiety. According to our results, the same general findings are true regardless of whether the difference between children with and without siblings is disaggregated by gender.

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China & World Economy
Authors
Ai Yue
Scott Rozelle
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Relatively little is known about differences in the quality of engineering education within and across countries because of the lack of valid instruments that allow for the assessment and comparison of engineering students’ skill gains. The purpose of our study is to develop and validate instruments that can be used to compare student skill gains in mathematics and physics courses in undergraduate engineering programmes across countries. The approach includes procedures to establish construct validity and other necessary psychometric properties. Drawing on data collected from over 24 engineering experts and 3600 engineering students across Russia and China, we establish that it is possible to develop valid, equitable and cross-nationally comparable instruments that can assess and compare skill gains.
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Assessment and Evaluation in Higher Education
Authors
Prashant Loyalka
Huan Wang
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Students in rural China are dropping out of secondary school at troubling rates. While there is considerable quantitative research on this issue, no systematic effort has been made to assess the deeper reasons behind student decision making through a mixed-methods approach. This article seeks to explore the prevalence, correlates and potential reasons for rural dropout throughout the secondary education process. It brings together results from eight large-scale survey studies covering 24,931 rural secondary students across four provinces, as well as analysis of extensive interviews with 52 students from these same study sites. The results show that the cumulative dropout rate across all windows of secondary education may be as high as 63 per cent. Dropping out is significantly correlated with low academic performance, high opportunity cost, low socioeconomic status and poor mental health. A model is developed to suggest that rural dropout is primarily driven by two mechanisms: rational cost-benefit analysis or impulsive, stress-induced decision making. 

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The China Quarterly
Authors
Prashant Loyalka
Scott Rozelle
Number
224
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China’s rapid development and urbanization have induced large numbers of rural residents to migrate from their homes to urban areas in search of better job opportunities. Parents typically leave their children behind with a caregiver, creating a new, potentially vulnerable subpopulation of left-behind children in rural areas. A growing number of policies and nongovernmental organization efforts target these children. The primary objective of this study was to examine whether left-behind children are really the most vulnerable and in need of special programs. Pulling data from a comprehensive data set covering 141,000 children in ten provinces (from twenty-seven surveys conducted between 2009 and 2013), we analyzed nine indicators of health, nutrition, and education. We found that for all nine indicators, left-behind children performed as well as or better than children living with both parents. However, both groups of children performed poorly on most of these indicators. Based on these findings, we recommend that special programs designed to improve health, nutrition, and education among left-behind children be expanded to cover all children in rural China.

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Health Affairs Volume 34, Issue 11
Authors
Prashant Loyalka
Alexis Medina
Scott Rozelle
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Abstract: Independent reading—unassigned reading for personal pleasure—has been shown to be an important driver of reading skills and academic success. Children that commonly read for pleasure exhibit higher academic performance. However, little research has been done on independent reading in rural China, where the education system is charged with schooling tens of millions of students. Many rural students fall behind their urban counterparts in school, with potentially troubling implications for China’s ongoing development. This article explores the prevalence of independent reading and its associations with reading ability and academic performance among rural students. Using a mixed methods approach, we analyze quantitative data from a survey of 13,232 students from 134 rural schools and interviews with students, teachers, principals, and caregivers. We find that independent reading is positively and significantly correlated with reading ability as well as standardized math and Chinese tests scores. Despite such correlations, only 17 percent of students report reading for pleasure for an hour a day. Interview findings suggest that inaccessible bookstores, curriculum constraints, unsupportive home environments, low availability of appealing and level-appropriate books, and insufficient school investment in reading resources may explain the low prevalence of independent reading.

 
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International Journal of Educational Development
Authors
Huan Wang
Matthew Boswell
Scott Rozelle
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We estimate the impact of two early commitment of financial aid (ECFA) programs—one at the start and one near the end of junior high school (seventh and ninth grades, respectively)—on the outcomes of poor, rural junior high students in China. Our results demonstrate that neither of the ECFA programs has a substantive effect. We find that the ninth-grade program had at most only a small (and likely negligible) effect on matriculation to high school. The seventh-grade program had no effect on either dropout rates during junior high school or on educa- tional performance as measured by a standardized math test. The seventh-grade program did increase the plans of students to attend high school by 15%. In examining why ECFA was not able to motivate significant behavioral changes for ninth graders, we argue that the competitiveness of the education system successfully screened out poorer performing students and promoted better performing students. Thus by the ninth grade, the remaining students were already committed to going to high school regardless of ECFA support. In regards to the results of the seventh grade program, we show how seventh graders appear to be engaged in wishful thinking (they appear to change plans without reference to whether their plans are realistic).

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Journal of Development Economics
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Prashant Loyalka
Scott Rozelle
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The goal of this study is to examine whether promising a conditional cash transfer (conditional on matriculation) at the start of junior high school increases the rate at which disadvantaged students matriculate into high school. Based on a randomised controlled trial (RCT) involving 1418 disadvantaged (economically poor) students in rural China, we find that a CCT voucher has no effect on increasing high school matriculation for the average disadvantaged student. The CCT voucher also has no differential impact on students at any point in the distribution of baseline academic achievement. This result suggests that CCTs, while shown to be effective in many contexts, do not always work.

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Journal of Development Effectiveness
Authors
Prashant Loyalka
Scott Rozelle
Number
279
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