1.Heckman JJ. Schools, Skills, and Synapses. Economic Inquiry. 2008;46(3):289–324.
3.Lynch JW, Law C, Brinkman S, Chittleborough C, Sawyer M. Inequalities in child healthy development: Some challenges for effective implementation. Social Science and Medicine. 2010;71(7):1219–374.
4.Brinkman S, Gialamas A, Rahman A, Mittinty MN, Gregory TA, Silburn S, et al. Jurisdictional, socioeconomic and gender inequalities in child health and development: analysis of a national census of 5-year-olds in Australia. BMJ Open. 2012;2(5):e001075.
5.Marmot M. Fair Society, Healthy Lives: The Marmot Review.: The Marmot Review; 2010. Available from: .
6.Department for Education and Training. Australian Early Development Census National Report 2018. 2018.
7.Brinkman S, Gregory T, Harris J, Hart B, Blackmore S, Janus M. Associations between the Early Development Instrument at Age 5 and Reading and Numeracy Skills at Ages 8, 10 and 12: A Prospective Linked Data Study. Child Indicators Research. 2013;6(4):695–708.
8.Hoff E. The Specificity of Environmental Influence: Socioeconomic Status Affects Early Vocabulary Development Via Maternal Speech. Child development. 2003;74(5):1368–78.
9.Fernald A, Marchman VA, Weisleder A. SES differences in language processing skill and vocabulary are evident at 18 months. Developmental Science. 2013;16(2):234–48.
10.Gilkerson J, Richards JA. The Power of Talk: Impact of Adult Talk, Conversational Turns, and TV During the Critical 0–4 Years of Child Development. Boulder, CO: LENA Research Foundation; 2009. Contract No.: LENA Technical Report LTR–01–2.
11.Gilkerson J, Richards JA, Warren SF, Montgomery JK, Greenwood CR, Oller DK, et al. Mapping the Early Language Environment Using All-Day Recordings and Automated Analysis. American Journal of Speech-Language Pathology. 2017;26(2):248–65.
12.Hart B, Risley T. American Parenting of Language-Learning Children: Persisting Differences in Family-Child Interactions Observed in Natural Home Environments. Developmental Psychology. 1992;28(6):1096–105.
13.Hart B, Risley TR. Meaningful Differences in the Everyday Experience of Young American Children. Baltimore, MD: Paul H Brookes Publishing; 1995.
14.Sperry DE, Sperry LL, Miller PJ. Reexamining the Verbal Environments of Children From Different Socioeconomic Backgrounds. Child development. 2019;90(4):1303–18.
15.Sperry DE, Sperry LL, Miller PJ. Language Does Matter: But There is More to Language Than Vocabulary and Directed Speech. Child development. 2019;90(3):993–7.
22.Gilkerson J, Richards JA, Warren SF, Oller DK, Russo R, Vohr B. Language Experience in the Second Year of Life and Language Outcomes in Late Childhood. Pediatrics. 2018;142(4):e20174276.
23.Zhang Y, Xu X, Jiang F, Gilkerson J, Xu D, Richards JA, et al. Effects of Quantitative Linguistic Feedback to Caregivers of Young Children: A Pilot Study in China. Communication Disorders Quarterly. 2015;37(1):16–24.
24.Suskind D, Leffel KR, Hernandez MW, Sapolich SG, Suskind E, Kirkham E, et al. An Exploratory Study of “Quantitative Linguistic Feedback”: Effect of LENA Feedback on Adult Language Production. Communication Disorders Quarterly. 2013;34(4):199–209.