Names followed by an asterisk* are those of doctoral students or post-doctoral fellows whom I am/have supervised/sponsored. Items preceded by a hashtag# are based on grants for which I was/am the PI.
*Gong, J., & Rao, N. (2026). Cohort variations in the relation between socioeconomic status and early achievement: roles of policy, preschool experience, and home learning environments. Applied Developmental Science, 1–18. https://doi.org/10.1080/10888691.2026.2632897
Rao, N., *Jiang, Y., Chan, S.W.Y., *Lee, D., Liu, J., *Wang, R., *Lau, C., & *Ng, R. (2026). Documenting socioeconomic disparities in early development and learning: A multi-method approach. Early Childhood Education Journal. https://doi.org/10.1007/s10643-026-02155-2
*Sun, J., Guo, Q., Rao, N., Ip, P., Qin, H., & *Zhang, L. (2026). Early achievement gaps and their associations with preschool contexts and parental engagement in Hong Kong. Early Education and Development. https://doi.org/10.1080/10409289.2026.2618809
*Gong, J., & Rao, N. (2026). Development and validation of the Chinese home learning environment scale for preschool-aged children. Developmental Psychology, 62(1), 274-287. https://doi.org/10.1037/dev0002026
*Yang, H., & Rao, N. (2025). Early childhood care and education and child development: Variation within and between 60 low- and middle-income countries. International Journal of Education Development, 119, 103445. https://doi.org/10.1016/j.ijedudev.2025.103445
*Li, Z., Rao, N., & *Gong, J. (2025). Concordance between direct assessment and adult report in assessing learning and developmental competencies of young children: A systematic review and meta-analysis. Early Childhood Research Quarterly, 74, 253-265. https://doi.org/10.1016/j.ecresq.2025.10.006
Rao, N.,*Dong, S., *Yang, H., Bala, M., & Liu, J. (2025). School education for mothers: How much is needed to promote child survival and health? International Journal of Educational Development.https://doi.org/10.1016/j.ijedudev.2025.103400
*Chan, Y. Y., & Rao, N. (2025). Home and School Factors Contributing to Poor Educational Outcomes of South Asian Minority Students in Hong Kong: A Systematic Review. Education Journal, 53(1), 25-50. https://hkier.cuhk.edu.hk/tc/publicationsfile/ej-v53n1-25-50
Rao, N.,*Yang, Y., *Gong, J., *Su, Y., Perlman, M., *Sun, J., *Zhang, L., & Zhou, J. (2025). Regional disparities in family environments, preschool quality and early school attainment in China. International Journal of Early Childhood. https://doi.org/10.1007/s13158-025-00418-4
*Chan, Y. Y., & Rao, N. (2024). Increasing reading motivation and vocabulary of South Asian children in Hong Kong: A home-based intervention. Early Education and Development, 36(1). https://doi.org/10.1080/10409289.2024.2360866
Wong, R.S., Lam, A.L.N., Tung, K.T.S., Rao, N., Xie, S.S.Y., Yam, J.C. & Ip, P. (2024). Early‐life family and school impacts on adolescent conduct problems: A path analysis. Family Process, 63(4), 2471-2483. https://doi.org/10.1111/famp.13021
#*Li, Z., & Rao, N. (2024). Measuring children’s developmental status in China using the ECDI2030: Comparing with direct assessment and teacher report. Child Indicators Research. https://doi.org/10.1007/s12187-024-10184-9
#Rao, N., *Su, Y. & Chan, S.W.Y. (2024). Reliability and validity of the East Asia-Pacific Early Child Development Scales: A longitudinal validation study in China. Child Psychiatry & Human Development, 55, 1691–1700. https://doi.org/10.1007/s10578-023-01526-9
Rao, N., Cohrssen, C., & Bala, M. (2024). The power of research and stakeholder collaboration in enhancing early childhood care and education in low-and middle-income countries. Children, 11(6). 698. https://doi.org/10.3390/children11060698
*Chan, Y.Y., & Rao, N. (2024). Home and preschool influences on early literacy and numeracy development in England, Estonia, and the United States. Early Childhood Education Journal, 32(3), 399-415. https://doi.org/10.1080/1350293X.2023.2257913
Tso, W. W. Y., Chan, K. L., Lee, T. M. C., Rao, N., Lee, S. L., Jiang, F., Chan, S. H. S., Wong, W. H. S., Wong, R. S., Tung, K. T. S., Yam, J. C., Liu, A. P. Y., Chua, G. T., Rosa Duque, J. S., Lam, A. L. N., Yip, K. M., Leung, L. K., Wang, Y., Sun, J., . . . Ip, P. (2022). Mental health & maltreatment risk of children with special educational needs during COVID-19. Child Abuse & Neglect, 130(Part 1), 1–9. https://doi.org/10.1016/j.chiabu.2021.105457
#*Yang, Y., Rao, N., & *Sun, J. (2024). From pre-service preparation to professional development: Early childhood teachers’ learning experiences, ECE quality, and child development in China. Early Education and Development. Advance online publication. https://doi.org/10.1080/10409289.2024.2336659
Wong, R. S., S. Tung, K. T., W. Ho, F. K., Rao, N., Chan, K. L., & Ip, P. (2024). Longitudinal associations between child discipline methods and physical growth patterns across preschool years. Obesity. https://doi.org/10.1002/oby.23977
#*Yang, H., Rao, N. & *Pearson, E. (2024). Inequality in access to early childhood care and education programs among 3- to 4-year-olds: Trends and variations across low- and middle-income countries. Early Childhood Research Quarterly, 66, 234-244. https://doi.org/10.1016/j.ecresq.2023.10.013
#Rao, N., Bala, M., Ranganathan, N., Anand, U., Dhingra, S., Costa, J. C., & Weber, A. M. (2023). Trends in the prevalence and social determinants of stunting in India, 2005–2021: findings from three rounds of the National Family Health Survey. BMJ Nutrition, Prevention & Health.https://nutrition.bmj.com/content/early/2023/12/06/bmjnph-2023-000648
*Pearson, E., Rao, N., Hendry, H., Horton, C., Aboud, F., & Siraj, I. (2023). Workforce preparation for delivery of nurturing care in low- and middle-income countries: Expert consensus on critical multi-sectoral training needs. Child: Care, Health & Development. https://doi.org/10.1111/cch.13180
*Chan, Y.Y., & Rao, N. (2023). Home and preschool influences on early child development of Chinese and South Asian children in Hong Kong. Early Childhood Education Journal. https://doi.org/10.1007/s10643-023-01589-2
Tao, S., Reichert, F., Law, N.W.Y., & Rao, N. (2023) Digital technology use and adolescent mental health before and during the COVID-19 pandemic: The roles of internet addiction and digital competence. Cyberpsychol Behavior, and Social Networking, 26(10):739-746. https://doi.org/10.1089/cyber.2023.0048
#*Dong, S., & Rao, N. (2023). The double burden of malnutrition among young Chinese children: a hierarchical structure of socioeconomic inequality indicators. Chinese Sociological Review, 1-28.
https://www.tandfonline.com/doi/full/10.1080/21620555.2023.2292535?src=
Rao, N., *Yang, Y., Su, Y., & Cohrssen, C. (2023). Promoting equity in access to quality early childhood education in China. Children, 10(10), 1674. https://doi.org/10.3390/children10101674
Man, K.K.C., Gao, L., Lau, W.C.Y., Fan, M., Coghill, D., Chan, E.W., Chui, C.S.L., Li, X., Chan, A.Y.L., Lum, Terry, Luo, H., Au Yeung, S.L., Wei, L., Wong, K.H.T.W., Tung, K.T.S., Wong, R.S., Lee, T.M.C., Rao, N., Wing, Y.K., Ip, P., & Wong, I.C.K. (2023). Attention deficit hyperactivity disorder, physical abuse and methylphenidate treatment in children. Nature Mental Health, 1, 66-75. https://doi.org/10.1038/s44220-022-00008-6
*Dong, S., & Rao, N. (2023). Associations between parental well-being and early learning at home before and during the COVID-19 pandemic: observations from the China Family Panel Studies. Frontiers in Psychology, 14. https://doi.org/10.3389/fpsyg.2023.1163009
#*Li, Z., & Rao, N. (2023). Advancing equity in early childhood development in China: Progress in meeting Sustainable Development Goal Target 4.2. International Journal of Chinese Education, 12(2). https://doi.org/10.1177/2212585X231175499
#*Yang, Y., & Rao, N. (2023). The status, pathways and discourses of professionalism for early childhood education teachers in Chinese policies. International Journal of Educational Development, 99.https://doi.org/10.1016/j.ijedudev.2023.102760
Raikes, A., Rao, N., Yoshikawa, H. et al. (2023). Global tracking of access and quality in early childhood care and education. International Journal of Child Care and Education Policy, 17(14).
https://doi.org/10.1186/s40723-023-00116-5
Cuartas, J., McCoy, D., Sánchez, J., Behrman, J., Cappa, C., Donati, G., Heymann, J., Lu, C., Raikes, A., Rao, N., Richter, L., Stein, A., & Yoshikawa, H. (2023). Family play, reading, and other stimulation and early childhood development in five low-and-middle-income countries. Developmental science, e13404.https://doi.org/10.1111/desc.13404
#*Gong, J., & Rao, N. (2023). Preschool experiences and home learning environments of migrant children in urban China. Front. Public Health, 11, 1086439. https://doi.org/10.3389/fpubh.2023.1086439
#Petermann-Rocha, F., Rao, N., Bala, M., Parshad-Asnani, M., Sifuna, A., Yousafzai, A., Ho, F.K., & Ip, P. (2023). Hygiene practices and early childhood development in the East Asia-Pacific region: A cross-sectional analysis. Int. J. Environ. Res. Public Health, 20(4), 2798. https://doi.org/10.3390/ijerph20042798
#*Gong, J., & Rao, N. (2023). Early learning opportunities of preschool children affected by migration in China. Early Childhood Research Quarterly, 63, 228-239. https://doi.org/10.1016/j.ecresq.2022.12.010
Man, K.K.C., Gao, L., Lau, W.C.Y., Fan, M., Coghill, D., Chan, E.W., Chui, C.S.L., Li, X., Chan, A.Y.L., Lum, T., Luo, H., Au Yeung, S.L., Wei, L., Wong, K.H.T.W., Tung, K.T.S., Wong, R.S., Lee, T.M.C., Rao, N., Yun, K.W., Ip, P., & Wong, I.C.K. (2023). Attention deficit hyperactivity disorder, physical abuse and methylphenidate treatment in children. Nature Mental Health. https://doi.org/10.1038/s44220-022-00008-6
Schirmbeck, K., Runge, R., Rao, N., *Wang, R., *Richards, B., Chan, S.W.Y., & Maehler, C. (2022). Assessing executive functions in preschoolers in Germany and Hong Kong: testing for measurement invariance. Journal of Cultural Cognitive Science, 6(3), 269-286. https://doi.org/10.1007/s41809-022-00112-0
Tso, W.W.Y., Chan, K.L., Lee, T.M.C., Rao, N., Lee, S.L., Jiang, F., Chan, S.H.S., Wong, W.H.S., Wong, R.S., Tung, K.T.S., Yam, J.C., Liu, A.P.Y., Chua, G.T., Rosa Duque, J.S., Lam, A.L.N., Yip, K.M., Leung, L.K., Wang, Y., Sun, J., Wang, G., Chan, G.C.F., Wong, I.C.K., & Ip, P. (2022) Mental health & maltreatment risk of children with special educational needs during COVID-19. Child abuse & neglect, 130, 105457. https://doi.org/10.1016/j.chiabu.2021.105457
Rao, N., Chan, S.W.Y., *Wang, R., *Lee, D., *Ng, R.Y.T., *Becher, Y., *Lau, C., *Sun, J., Ho, F.K., & Ip, P. (2022). The Hong Kong Early Child Development Scale-3: A Validation Study. Asia-Pacific Journal of Research in Early Childhood Education, 16(2), 1-23. http://dx.doi.org/10.17206/apjrece.2022.16.2.1
#*Richards B., Rao, N., & *Chan S.W.Y. (2022) Measuring indicators of Sustainable Development Goal Target 4.2.1: Factor structure of a direct assessment tool in four Asian countries. Oxford Review of Education, 49(1), 69-92. https://doi.org/10.1080/03054985.2022.2093844
Rao, N., *Chan, S.W.Y., *Su, Y., *Mirpuri, S., *Richards, B., *Sun, J., Zhang, L. & Ip, P. (2022). Early motor development in China: Secular trends among 4-year-olds. Early Child Development and Care. http://doi.org/10.1080/03004430.2022.2064460
Rao, N., *Su, Y. & *Gong, J. (2022). Persistent urban-rural disparities in early childhood development in China: The roles of maternal education, home learning environments, and early childhood education. International Journal of Early Childhood.https://doi.org/10.1007/s13158-022-00326-x
*Chan, S.W.Y., & Rao, N. (2022). Relation between executive function and early language and literacy development in Bengali, Chinese, and Hindi. Reading and Writing. https://doi.org/10.1007/s11145-022-10285-3
Tso, W.W.Y., Chan, K.L., Lee, T.M.C., Rao, N., Lee, S.L., Jian, F., Chan, S.H.S., Wong, W.H.S., Wong, R.S., Tung, K.T.S., Yam, J.C., Liu, A.P.Y., Chua, G.T., Rosa Duque, J.S., Lam, A.L.N., Yip, K.M., Leung, L.K., Wang, Y., Sun, J., …… Ip, P. (2022). Mental health & maltreatment risk of children with special educational needs during COVID-19. Child Abuse & Neglect, 105457. https://doi.org/10.1016/j.chiabu.2021.105457
Leung, C., Hui, A.N.N., Wong, R. Rao, N., Karnilowicz, W., Chung, K., Chan, J., & Ip, P. (2022). Effectiveness of a multicomponent parenting intervention for promoting social-emotional school readiness among children from low-income families in Hong Kong: A cluster randomized clinical trial. JAMA Pediatrics.https://doi.org/10.1001/jamapediatrics.2021.6308
Tso, W.W.Y., Reichert, F., Law, N., Fu, K.W., de la Torre, J., Rao, N., Leung, L.K., Wang, Y-L., Wong, W.H.S., & Ip, P. (2022). Digital competence as a protective factor against gaming addiction in children and adolescents: A cross-sectional study in Hong Kong. The Lancet Regional Health - Western Pacific, 20, 100382. https://doi.org/10.1016/j.lanwpc.2022.100382
Wong, R.S., Tung, K.T.S., Chan, B.N.K., Ho, F.K., Rao, N., Chan, K.L., Sun, J., So, H. K., Wong, W.H.S., Tso, W.W.Y., Yam, J.C.S., Wong, I.C.K., & Ip, P. (2022). Early-life activities mediate the association between family socioeconomic status in early childhood and physical fitness in early adolescence. Scientific Reports, 12, 81 https://doi.org/10.1038/s41598-021-03883-8
*Wong, J.M.S., & Rao, N. (2022). Pursuing quality in early childhood education with a government-regulated voucher: views of parents and service providers in Hong Kong. Journal of Education Policy, 37(1), 39-68. https://doi.org/10.1080/02680939.2020.1764628
Gao, L., Leung, M.T.Y., Li, X., Chui, C.S.L., Wong, R.S.M., Au Yeung, S.L., Chan, E.W.W., Chan, A.Y.L., Chan, E.W., Wong, W.H.S., Lee, T.M.C., Rao, N., Wing, Y.K., Lum, T.Y.S., Leung, G.M., Ip, P., & Wong, I.C.K. (2021). Linking cohort-based data with electronic health records: A proof-of-concept methodological study in Hong Kong. BMJ Open, 2021;11(6): e045868.
Ho, F.K., Rao, N., Tung, K.T.S., Wong, R.S., Wong, W.H.S., Tung, J.Y.L., Chua, G.T., Tso, W.W.Y., Bacon-Shone, J., Wong, I.C.K., Yousafzai, A., Wright, C., & Ip, P. (2021). Association of early nutritional status with child development in the Asia Pacific Region. JAMA Network Open, 2021;4(12):e2139543.
https://doi.org/10.1001/jamanetworkopen.2021.39543
Petermann-Rocha, F., Rao, N., Pell, J. P., Celis-Morales, C., Wong, I.C.K., Ho, F.K., & Ip, P. (2021). Weight-for-height, body fat, and development in children in the East Asia and Pacific Region. JAMA Network Open, 2022:5(1):e2142458. https://doi.org/10.1001/jamanetworkopen.2021.42458
Richter, L., Behrman, J., Britto, P., Cappa, C., Cohrssen, C., Cuartas, J., Daelmans, B., Devercelli, A., Fink, G., Fredman, S., Heymann, J., Lopez Boo, F., Lu, C., Lule, E., McCoy, D., Naicker, S., Rao, N., Raikes, A., Stein, A., Vasquez, C., & Yoshikawa, H. (2021). Measuring and forecasting progress in education: What about early childhood? npj Science of Learning, 6, 27. https://doi.org/10.1038/s41539-021-00106-7
Cohrssen, C., Rao, N., Kapai, P., & La Londe, P.G. (2021). Kindergarten children’s perceptions of the social unrest in Hong Kong. Journal of Early Childhood Research.https://doi.org/10.1177/1476718X211062728
Rao, N., & Fisher, P.A. (2021). The impact of the COVID-19 pandemic on child and adolescent development around the world. Child Development, 92, e738-e748. https://doi.org/10.1111/cdev.13653
Rao, N., Ranganathan, N., Kaur, R., & Mukhopadhayay, R. (2021). Fostering equitable access to quality preschool education in India: Challenges and opportunities. International Journal of Child Care and Education Policy, 15(9). https://doi.org/10.1186/s40723-021-00086-6
#Rao, N., Chan, S.W.Y., Su, Y., Richards, B., Cappa, C., De Castro, E.F., & Petrowski, N. (2021). Measuring being “Developmentally on Track”: Comparing direct assessment and caregiver report of Early Childhood Development in Bangladesh, China, India and Myanmar. Early Education and Development, 1-23. https://doi.org/10.1080/10409289.2021.1928446
#*Richards, B., Umayahara, M., Mirpuri, S., & Rao, N. (2021). Correlates and mediators of geo-ethnic inequalities in child development in Cambodia. International Journal of Early Years Education, 1-20. https://doi.org/10.1080/09669760.2021.1950648
#*Su, Y., Rao, N., Sun, J., & Zhang, L. (2021). Preschool quality and child development in China. Early Childhood Research Quarterly, 56, 15-26. https://doi.org/10.1016/j.ecresq.2021.02.003
Rao, N., Cohrssen, C., Sun, J. Su, Y., & Perlman, M. (2021). Early Child Development in low- and middle- income countries: Is it what mothers have or what they do that makes a difference to child outcomes? Advances in Child Development and Behavior, 61, 255-277. https://doi.org/10.1016/bs.acdb.2021.04.002
#*Chan, S.W., Rao, N., Cohrssen, C., & Richards, B. (2021). Predicting child outcomes in Bhutan: Contributions of parenting support and early childhood education programmes. Children and Youth Services Review, 126, 106051. https://doi.org/10.1016/j.childyouth.2021.106051
#*Richards, B., Umayahara, M., Maw, N., & Rao, N. (2021). Early Childhood Education, Language of Instruction, and Child Development in Myanmar: Comparisons among Ethnolinguistic Groups. Early Education and Development, 32(3), 421-442. https://doi.org/10.1080/10409289.2020.1755179
#Rao, N., Umayahara, M., Yang, Y, & Ranganathan N. (2021). Ensuring access, equity and quality in early childhood education in Bangladesh, China, India and Myanmar: Challenges for nations in a populous economic corridor. International Journal of Educational Development, 82, 102380. https://doi.org/10.1016/j.ijedudev.2021.102380
*Chen, L.L., & Mirpuri, S., Rao, N., & Law, N. (2021). Conceptualization and measurement of digital citizenship across disciplines. Educational Research Review, 33, 100379. https://doi.org/10.1016/j.edurev.2021.100379
Chua, G.T., Tung, K.T., Kwan, M.Y.W., Wong, R.S., Chui, C.S., Li, X., Wong, W.H.S., Tso, W.W.Y., Fu, K.W., Chan, K.L., Wing, Y.K., Chen, E.Y.H., Lee, T.M.C., Rao, N., Chan, G.C.F., Hon, E.K.L., Hung, I.F.N., Lau, K.K., Ho, M.H.K., … & Ip, P. (2021). Multilevel factors affecting healthcare workers' perceived stress and risk of infection during COVID-19 pandemic. International Journal of Public Health, 66. https://doi.org/10.3389/ijph.2021.599408
Wong, R.S., Tung, K.T., Rao, N., Ho, F.K., Chan, K.L., Fu, K.W., Tso, W.W.Y., Jiang, F., Yam, J.C.S., Coghill, D., Wong, I.C.K., & Ip, P. (2021). A longitudinal study of the relation between childhood activities and psychosocial adjustment in early adolescence. International Journal of Environmental Research and Public Health, 18(10), 5299. https://doi.org/10.3390/ijerph18105299
Schirmbeck, K., Rao, N., Wang, R., Richards, B., Chan, S.W.Y.M & Maehler, C. (2020). Contrasting executive function development among primary school children from Hong Kong and Germany. European Journal of Psychology of Education.https://doi.org/10.1007/s10212-020-00519-9
Tso, W.W.Y., Wong, R.S., Tung, K.T.S., Rao, N., Fu, K.W., Yam, J.C.S, Chua, G.T., Chen, E.Y.H., Lee, T.M.C., Chan, S.K.W., Wong, W.H.S., Xiong, X., Chui, C.S., Li, X., Wong, K., Leung, C., Tsang, S.K.M., Chan, G.C.F., Tam, P.K.H.,…& Ip, P. (2020). Vulnerability and resilience in children during the COVID-19 pandemic. European Child & Adolescent Psychiatry.https://doi.org/10.1007/s00787-020-01680-8
*Wang, J., & Rao, N. (2020). What do Chinese students say about their academic motivational goals – reasons underlying academic strivings? Asia Pacific Journal of Education.https://doi.org/10.1080/02188791.2020.1812513
#Rao, N., Richards, B., Lau, C., Weber, A.M., Sun, J., Darmstadt, G.L., Sincovich, A., Bacon-Shone, J., & Ip, P. (2020). Associations among early stimulation, stunting, and child development in four countries in the East Asia-Pacific. International Journal of Early Childhood, 52(2), 175-193. https://doi.org/10.1007/s13158-020-00270-8
Wong, R.S., Tung, K.T., Rao, N., Leung, C., Hui, A.N., Tso, W.W.Y., Fu, K.W., Jiang, F., Zhao, J., & Ip, P. (2020). Parent technology use, parent-child interaction, child screen time, and child psychosocial problems among disadvantaged families. The Journal of Pediatrics, 226, 258-265. https://doi.org/10.1016/j.jpeds.2020.07.006
#Rao, N., Weber, A., Ranganathan N., & Ip, P. (2020). Creating equality for girls: on the right track but still a long way to go. The Lancet: Child and Adolescent Health, 4(7), 490-491. https://doi.org/10.1016/S2352-4642(20)30171-1
#*Su, Y., Lau, C., & Rao, N. (2020). Early education policy in China: Reducing regional and socioeconomic disparities in preschool attendance. Early Childhood Research Quarterly, 53, 11-22. https://doi.org/10.1016/j.ecresq.2020.02.001
#*Yang, Y., & Rao, N. (2020). Teacher professional development among preschool teachers in rural China. Journal of Early Childhood Teacher Education.https://doi.org/10.1080/10901027.2020.1726844
Rao, N., Mirpuri, S., Sincovich, A., & Brinkman, S.A. (2020). Overcoming challenges in measuring early childhood development across cultures. The Lancet: Child and Adolescent Health, 4(5), 352-354. https://doi.org/10.1016/S2352-4642(20)30026-2
Schirmbeck, K., Rao, N., & Maehler, C. (2020). Similarities and differences across countries in the development of Executive Functions in children: A systematic review. Infant and Child Development. 29(1), e2164. https://doi.org/10.1002/icd.2164