Anon. n.d. ‘PEER RELATIONSHIPS AND SOCIAL COMPETENCE DURING EARLY AND MIDDLE CHILDHOOD - Annual Review of Psychology, 50(1):333’. Retrieved (http://www.annualreviews.org/doi/full/10.1146/annurev.psych.50.1.333).
Coplan, Robert J., Kavita Prakash, Kim O’Neil, and Mandana Armer. 2004. ‘Do You “Want” to Play? Distinguishing Between Conflicted Shyness and Social Disinterest in Early Childhood.’ Developmental Psychology 40(2):244–58. doi: 10.1037/0012-1649.40.2.244.
Hay, Dale F., Alexandra Payne, and Andrea Chadwick. 2004. ‘Peer Relations in Childhood’. Journal of Child Psychology and Psychiatry 45(1):84–108. doi: 10.1046/j.0021-9630.2003.00308.x.
Katz, Jill C., and Ester S. Buchholz. 1999. ‘"I Did It Myself”: The Necessity of Solo Play for Preschoolers’. Early Child Development and Care 155(1):39–50. doi: 10.1080/0030443991550104.
Ladd, Gary W., Joseph M. Price, and Craig H. Hart. 1988. ‘Predicting Preschoolers’ Peer Status from Their Playground Behaviors’. Child Development 59(4). doi: 10.2307/1130265.
Schonert-Reichl, Kimberly A. n.d. ‘Enhancing Cognitive and Social–Emotional Development through a Simple-to-Administer Mindfulness-Based School Program for Elementary School Children: A Randomized Controlled Trial.’ Developmental Psychology, Vol 51(1), Jan, 2015. doi: 10.1037/a0038454http://dx.doi.org.ezproxy4.lib.le.ac.uk/10.1037/a0038454.supp  (Supplemental).