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Research Article

Attachment security in children with disability or developmental delay: Systematic review of quality and interventions

, BA(hons Psych), Grad Dip (Family Therapy), PhDORCID Icon, , BA, DSS, MSW, MBA, DS, AMORCID Icon, , BSW, MSW, Grad Dip, Grad Cert, DSWORCID Icon & , PhDORCID Icon
Pages 228-258 | Received 27 Oct 2022, Accepted 02 Feb 2023, Published online: 15 Feb 2023

References

  • Acquarone, S. (1995). Mens sana in corpore sano: Psychotherapy with a cerebral palsy child aged nine months. Psychoanalytic Psychotherapy, 9(1), 41–57. doi:http://dx.doi.org/10.1080/02668739500700051
  • Ainsworth, M. D. S., Bell, S. M., & Stayton, D. F. (1974). Infant-mother attachment and social development: Socialization as a product of reciprocal responsiveness to signals. In M. P. M. Richards (Ed.), The integration of a child into a social world (pp. 99–135). Cambridge University Press.
  • Ainsworth, M., Blehar, M., Waters, E., & Wall, S. (1978). Patterns of attachment: A psychological study of the strange situation. Hillsdale, N.J.: Lawrence Erlbaum Associates.
  • Anderson, S., Gooze, R., Lemeshow, S., & Whitaker, R. (2012). Quality of early maternal-child relationship and risk of adolescent obesity. Pediatrics, 129(1), 132. doi:10.1542/peds.2011-0972
  • Appelbaum, M., Batten, D. A., Belsky, J., Booth, C., Bradley, R., Brownell, C. A., & Weinraub, M. (1999). Child care and mother-child interaction in the first 3 years of life. Developmental Psychology, 35(6), 1399–1413.
  • Atkinson, L., Chisholm, V., Scott, B., Goldberg, S., Vaughn, B., Blackwell, J., Tam, F., Dickens, S. (1999). Maternal sensitivity, child functional level, and attachment in Down syndrome. Monographs of the Society for Research in Child Development, 64(3), 45–66. doi:http://dx.doi.org/10.1111/1540-5834.00033
  • Atkinson, L., Paglia, A., Coolbear, J., Niccols, A., Parker, K., & Guger, S. (2000). Attachment security: A meta-analysis of maternal mental health correlates. Clinical Psychology Review, 20(8), 1019–1040. doi:10.1016/S0272-7358(99)00023-9
  • Australian Institute of Health and Welfare. (2004). Children with disabilities in Australia. Retrieved 12/07/2018 from https://www.aihw.gov.au/reports/disability/children-disabilities-australia/contents/highlights
  • Bakermans-Kranenburg, M., van IJzendoorn, M., & Juffer, F. (2003). Less is more: Meta-analyses of sensitivity and attachment interventions in early childhood. Psychological Bulletin, 129(2), 195–215. doi:10.1037/0033-2909.129.2.195
  • Barendregt, J., Doi, S., Lee, Y., Norman, R., & Vos, T. (2013). Meta-analysis of prevalence. Journal of Epidemiology and Community Health, 67(11), 974. doi:10.1136/jech-2013-203104
  • Barnett, D., Clements, M., Kaplan-Estrin, M., Janisee, H., McCaskill, J., Schram, J., Butler, C., Schram, J.L. and Janisse, H.C. (2006). Maternal resolution of child diagnosis: Stability and relations with child attachment across the toddler to preschooler transition. Journal of Family Psychology, 20(1), 100. doi:10.1037/0893-3200.20.1.100
  • Bayley, N. (1969). Bayley Scales of Infant Development. New York: Psychological Corp.
  • Belsky, J., & Fearon, P. (2002). Infant-mother attachment security, contextual risk, and early development: A moderational analysis. Development and Psychopathology, 14(2), 293–310. doi:10.1017/S0954579402002067
  • Bernier, A., Carlson, S., Deschenes, M., & Matte-Gagne, C. (2012). Social factors in the development of early executive functioning: A closer look at the caregiving environment. Developmental Science, 15(1), 12–24. doi:10.1111/j.1467-7687.2011.01093.x
  • Booth, A., Macdonald, J., & Youssef, G. (2018). Contextual stress and maternal sensitivity: A meta-analytic review of stress associations with the Maternal Behavior Q-Sort in observational studies. Developmental Review, 48, 145–177. doi:10.1016/j.dr.2018.02.002
  • Bowlby, J. (1982a). Attachment, 2ndVol. 1. New York: Basic Books. 1969
  • Bowlby, J. (1982b). Loss, sadness and depression. (Vol. 3). New York: Basic Books. 1969
  • Brisch, K., Bechinger, D., Betzler, S., & Heinemann, H. (2003). Early preventive attachment-oriented psychotherapeutic intervention program with parents of a very low birthweight premature infant: Results of attachment and neurological development. Attachment & Human Development, 5(2), 120–135. doi:10.1080/1461673031000108504
  • Capps, L., Sigman, M., & Mundy, P. (1994). Attachment security in children with autism. Development and Psychopathology, 6(2), 249–261. doi:http://dx.doi.org/10.1017/S0954579400004569
  • Carlson, E. (1998). A prospective longitudinal study of attachment disorganization/disorientation. Child Development, 69(4), 1107–1128. doi:10.1111/j.1467-8624.1998.tb06163.x
  • Cassidy, J., Jones, J., & Shaver, P. (2013). Contributions of attachment theory and research: A framework for future research, translation, and policy. Development & Psychopathology, 25(4 Pt 2), 1415–1434. doi:https://dx.doi.org/10.1017/S0954579413000692
  • Charpak, N., Tessier, R., Ruiz, J., Hernandez, J., Uriza, F., Villegas, J., Maldonado, D., Nadeau, L., Mercier, C., Maheu, F., Marin, J. and Cortes, D., (2017). Twenty-year follow-up of Kangaroo Mother Care versus traditional care. Pediatrics, 139(1), 01. doi:https://dx.doi.org/10.1542/peds.2016-2063
  • Chiarello, L., & Palisano, R. (1998). Investigation of the effects of a model of physical therapy on mother-child interactions and the motor behaviors of children with motor delay. Physical Therapy, 78(2), 180–194. doi:10.1093/ptj/78.2.180
  • Clements, M., & Barnett, D. (2002). Parenting and attachment among toddlers with congenital anomalies: Examining the Strange Situation and Attachment Q-sort. Infant Mental Health Journal, 23(6), 625–642. doi:10.1002/imhj.10040
  • Cullen-Powell, L., Barlow, J., & Cushway, D. (2005). Exploring a massage intervention for parents and their children with autism: The implications for bonding and attachment. Journal of Child Health Care, 9(4), 245–255. doi:10.1177/1367493505056479
  • David, D., & Lyons-ruth, K. (2005). Differential attachment responses of male and female infants to frightening maternal behavior: Tend or befriend versus fight or flight? Infant Mental Health Journal, 26(1), 1–18. doi:10.1002/imhj.20033
  • Deeks, J., Higgins, J., & Altman, D. (2017). Analysing data and undertaking meta-analyses. In J. Higgins, R. Churchill, J. Chandler, & M. Cumpston (Eds.), Cochrane Handbook for Systematic Reviews of Interventions (version 5.2.0 (updated June 2017) ed.). Cochrane. https://training.cochrane.org/handbook
  • DerSimonian, R., & Laird, N. (1986). Meta-analysis in clinical trials. Control Clinical Trials, 7(3), 177–188. doi:10.1016/0197-2456(86)90046-2
  • Dunst, C. (2007). Early intervention for infants and toddlers with developmental disabilities. In S. Odom, R. Horner, M. Snell, & J. Blacher (Eds.), Handbook of developmental disabilities (pp. 161-180). New York: The Guilford Press.
  • Early Childhood Intervention Australia. (2016). National guidelines: Best practice in early childhood intervention. Retrieved 12/01/2017, from https://www.ecia.org.au/Resources/National-Guidelines-for-Best-Practice-in-ECI
  • Emerson, E. (2004). Poverty and children with intellectual disabilities in the world’s richer countries. Journal of Intellectual & Developmental Disability, 29(4), 319–338. doi:10.1080/13668250400014491
  • Facompré, C., Bernard, K., & Waters, T. (2018). Effectiveness of interventions in preventing disorganized attachment: A meta-analysis. Development and Psychopathology, 30(1), 1–11. doi:10.1017/S0954579417000426
  • Fardoulys, C., & Coyne, J. (2016). Circle of Security intervention for parents of children with autism spectrum disorder. Australian and New Zealand Journal of Family Therapy, 37, 572–584. https://doi.org/10.1002/anzf.1193
  • Fardoulys, C., & Coyne, J. (2016a). Circle of Security intervention for parents of children with autism spectrum disorder. Australian and New Zealand Journal of Family Therapy, 37(4), 572–584. doi:https://doi.org/10.1002/anzf.1193
  • Fardoulys, C., & Coyne, J. (2016b). Circle of Security intervention for parents of children with autism spectrum disorder. Australian and New Zealand Journal of Family Therapy, 37(4), 572–584. doi:http://dx.doi.org/10.1002/anzf.1193
  • Farran, D., Kasari, C., Comfort, M., & Jay, S. (1986). Parent/caregiver interaction scale. Unpublished manuscript, University of North Carolina at Greensboro, Department of Child Development and Family Relations.
  • Fearon, P., Bakermans-Kranenburg, M., van Ijzendoorn, M., Lapsley, A., & Roisman, G. (2010). The significance of insecure attachment and disorganization in the development of children’s externalizing behavior: A meta-analytic study. Child Development, 81(2), 435–456. doi:10.1111/j.1467-8624.2009.01405.x
  • Fearon, P., & Belsky, J. (2016). Precursors of attachment security. In J. Cassidy & P. Shaver (Eds.), Handbook of attachment (Third) (pp. 291-313). New York: The Guilford Press.
  • Feniger-Schaal, R., & Joels, T. (2018). Attachment quality of children with ID and its link to maternal sensitivity and structuring. Research in Developmental Disabilities, 76, 56–64. doi:https://dx.doi.org/10.1016/j.ridd.2018.03.004
  • Feniger-Schaal, R., & Oppenheim, D. (2013). Resolution of the diagnosis and maternal sensitivity among mothers of children with intellectual disability. Research in Developmental Disabilities: A Multidisciplinary Journal, 34(1), 306–313. doi:10.1016/j.ridd.2012.08.007
  • Ganiban, J., Barnett, D., & Cicchetti, D. (2000). Negative reactivity and attachment: Down syndrome’s contribution to the attachment-temperament debate. Development and Psychopathology, 12(1), 1–21. doi:http://dx.doi.org/10.1017/S0954579400001012
  • Granqvist, P., Sroufe, A., Dozier, M., Hesse, E., Steele, M., Van Ijzendoorn, M., Duschinsky, R., Solomon, J., Schuengel, C., Fearon, P., Bakermans-Kranenburg, M. and Steele, H. (2017). Disorganized attachment in infancy: A review of the phenomenon and its implications for clinicians and policy-makers. Attachment & Human Development, 1–25. doi:http://dx.doi.org/10.1080/14616734.2017.1354040
  • Groh, A., Fearon, P., Bakermans-Kranenburg, M., Van Ijzendoorn, M., Steele, R., & Roisman, G. (2014). The significance of attachment security for children’s social competence with peers: A meta-analytic study. Attachment & Human Development, 16(2), 103–136. doi:10.1080/14616734.2014.883636
  • Grzadzinski, R., Luyster, R., Gunn Spencer, A., & Lord, C. (2014). Attachment in young children with autism spectrum disorders: An examination of separation and reunion behaviours with both mothers and fathers. Autism, 18(2), 85–96. doi:10.1177/1362361312467235
  • Guralnick, M. (2005). An overview of the developmental systems model for early intervention. In Guralnick, Michael, (Ed.), The developmental systems approach to early intervention (pp. 3-28). Baltimore, MD London: H. Brookes Publishing Co.
  • Hamadi, L., & Fletcher, H. (2021). Are people with an intellectual disability at increased risk of attachment difficulties? A critical review. Journal of Intellectual Disabilities, 25(1), 114–130. doi:10.1177/1744629519864772
  • Hansen, R., & Ulrey, G. (1988). Motorically impaired infants: Impact of a massage procedure on caregiver-infant interactions. Journal of the Multihandicapped Person, 1(1), 61–68. doi:http://dx.doi.org/10.1007/BF01110556
  • Higgins, J., Altman, D., Gotzsche, P., Juni, P., Moher, D., Oxman, A., Group, C. S. M., Savović, J., Schulz, K.F., Weeks, L. and Sterne, J.A. (2011). The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials. BMJ, 343 oct18 2, d5928–d5928. 10.1136/bmj.d5928
  • Howe, D. (2006). Disabled children, parent-child interaction and attachment. Child Family Social Work, 11(2), 95–106. doi:https://doi.org/10.1111/j.1365-2206.2006.00397.x
  • Innocenti, M., Roggman, L., & Cook, G. (2013). Using the PICCOLO with parents of children with a disability. Infant Mental Health Journal, 34(4), 307–318. doi:10.1002/imhj.21394
  • The Joanna Briggs Institute. (2013). JBI levels of evidence. https://jbi.global/sites/default/files/2019-05/JBI-Levels-of-evidence_2014_0.pdf
  • Kim, J. M., & Mahoney, G. (2004). The effects of mother's style of interaction on children's engagement: Implications for using responsive interventions with parents. Topics in Early Childhood Special Education, 24(1), 31–38.
  • Kim, J., & Mahoney, G. (2005). The effects of relationship focused intervention on Korean parents and their young children with disabilities. Research in Developmental Disabilities, 26(2), 117-130. doi:10.1016/j.ridd.2004.08.001
  • Koren-Karie, N., Oppenheim, D., Dolev, S., & Yirmiya, N. (2009). Mothers of securely attached children with autism spectrum disorder are more sensitive than mothers of insecurely attached children. Journal of Child Psychology and Psychiatry, 50(5), 643–650. doi:10.1111/j.1469-7610.2008.02043.x
  • Lederberg, A., & Mobley, C. (1990). The effect of hearing impairment on the quality of attachment and mother-toddler interaction. Child Development, 61(5), 1596–1604. doi:10.2307/1130767
  • Leonard, H., Petterson, B., De Klerk, N., Zubrick, S., Glasson, E., Sanders, R., & Bower, C. (2005). Association of sociodemographic characteristics of children with intellectual disability in Western Australia. Social Science & Medicine, 60(7), 1499–1513. doi:10.1016/j.socscimed.2004.08.014
  • Maclean, M., Sims, S., Bower, C., Leonard, H., Stanley, F., & O’donnell, M. (2017). Maltreatment risk among children with disabilities. Pediatrics, 139(4), 1–12. doi:10.1542/peds.2016-1817
  • Madigan, S., Bakermans-Kranenburg, M., Van Ijzendoorn, M., Moran, G., Pederson, D., & Benoit, D. (2006). Unresolved states of mind, anomalous parental behavior, and disorganized attachment: A review and meta-analysis of a transmission gap. Attachment & Human Development, 8(2), 89–111. doi:10.1080/14616730600774458
  • Mahoney, G., & Perales, F. (2003). Using Relationship-Focused Intervention to enhance the social-emotional functioning of young children with autism spectrum disorders. Topics in Early Childhood Special Education, 23(2), 74–86. doi:10.1177/02711214030230020301
  • Main, M., & Solomon, J. (1986). Discovery of a new, insecure-disorganized/disoriented attachment pattern. In T. Brazelton & M. Yogman (Eds.), Affective Development in Infancy (pp. 95–124). Norwood, New Jersey: Ablex.
  • Malekpour, M. (2007). Effects of attachment on early and later development. The British Journal of Developmental Disabilities, 53(105), 81–95. doi:https://doi.org/10.1179/096979507799103360
  • Martin, K., Haltigan, J., Ekas, N., Prince, E., & Messinger, D. (2020). Attachment security differs by later autism spectrum disorder: A prospective study. Developmental Science, 23(5), e12953–e12953. doi:https://doi.org/10.1111/desc.12953
  • McLaughlin, M., & Rank, M. (2018). Estimating the economic cost of child poverty in the United States. Social Work Research, 42(2), 73–83. doi:10.1093/swr/svy007
  • Moher, D., Liberati, A., Tetzlaff, J., & Altman, D. G. (2009). Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. The BMJ, 339(7716), b2535–b2535. doi:10.1136/bmj.b2535
  • Moher, D., Shamseer, L., Clarke, M., Ghersi, D., Liberati, A., & Petticrew, M., & … Stewart, L. (2015). Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Systematic Reviews, 4(1), 1–9. doi:10.1186/2046-4053-4-1
  • Moore, T. (2012, August 9). Rethinking early childhood intervention services: Implications for policy and practice (Paper presentation) 10th Biennial National Conference of Early Childhood Intervention Australia, 1st Asia-Pacific Early Childhood Intervention Conference, Perth, Western Australia. www.rch.org.au/uploadedFiles/Main/Content/ccch/profdev/ECIA_National_Conference_2012.pdf
  • Naber, F., Swinkels, S., Buitelaar, J., Bakermans-Kranenburg, M., Ijzendoorn, M., Dietz, C., van Daalen, H.E., Engelandvan Daalen, H.E. (2007). Attachment in toddlers with autism and other developmental disorders. Journal of Autism and Developmental Disorders, 37(6), 1123–1138. doi:https://doi.org/10.1007/s10803-006-0255-2
  • National Disability Insurance Agency. (2019). Access to the NDIS - Early Intervention. Retrieved 01/03/2019 from https://www.ndis.gov.au/about-us/operational-guidelines/access-ndis-operational-guideline/access-ndis-early-intervention-requirements
  • Nyaga, V., Arbyn, M., & Aerts, M. (2014). Metaprop: A Stata command to perform meta-analysis of binomial data. Archives of Public Health, 72(1), 72(1. doi:https://doi.org/10.1186/2049-3258-72-39
  • Odom, S., & Wolery, M. (2003). A unified theory of practice in Early Intervention/Early Childhood Special Education: Evidence-based practices. The Journal of Special Education, 37(3), 164–173. doi:10.1177/00224669030370030601
  • Pipp-Siegel, S., Siegel, C., & Dean, J. (1999). Neurological aspects of the disorganized/disoriented attachment classification system: Differentiating quality of the attachment relationship from neurological impairment. Monographs of the Society for Research in Child Development, 64(3), 25–44. doi:10.1111/1540-5834.00032
  • Platje, E., Sterkenburg, P., Overbeek, M., Kef, S., & Schuengel, C. (2018). The efficacy of VIPP-V parenting training for parents of young children with a visual or visual-and-intellectual disability: A randomized controlled trial. Attachment & Human Development, 20(5), 455–472. doi:https://dx.doi.org/10.1080/14616734.2018.1428997
  • Poslawsky, I., Naber, F., Bakermans-Kranenburg, M., Daalen, E., Engeland, H., & van IJzendoorn, M. (2015). Video-feedback Intervention to promote Positive Parenting adapted to autism (VIPP-AUTI): A randomised control trial. Autism, 19(5), 588–603. doi:10.1177/1362361314537124
  • Puig, J., Englund, M., Simpson, J., & Collins, W. (2013). Predicting adult physical illness from infant attachment: A prospective longitudinal study. Health Psychology, 32(4), 409–417. doi:http://dx.doi.org/10.1037/a0028889
  • Rozga, A., Hesse, E., Main, M., Duschinsky, R., Beckwith, L., & Sigman, M. (2017). A short-term longitudinal study of correlates and sequelae of attachment security in autism. Attachment & Human Development, 20(2), 160–180. doi:https://dx.doi.org/10.1080/14616734.2017.1383489
  • Rutgers, A., Bakermans-Kranenburg, M., van IJzendoorn, M., & van Berckelaer-Onnes, I. (2004). Autism and attachment: A meta-analytic review. Journal of Child Psychology and Psychiatry, 45(6), 1123–1134. doi:10.1111/j.1469-7610.2004.t01-1-00305.x
  • Schwarzer, G., Chemaitelly, H., Abu-raddad, L., & Rücker, G. (2019). Seriously misleading results using inverse of Freeman-Tukey double arcsine transformation in meta-analysis of single proportions. Research Synthesis Methods, 10(3), 476–483. doi:10.1002/jrsm.1348
  • Sealy, J., & Glovinsky, I. (2016). Strengthening the reflective functioning capacities of parents who have a child with a neurodevelopmental disability through a brief, relationship-focused intervention. Infant Mental Health Journal, 37(2), 115–124. doi:http://dx.doi.org/10.1002/imhj.21557
  • Seifer, R., Clark, G., & Sameroff, A. (1991). Positive effects of interaction coaching on infants with developmental disabilities and their mothers. American Journal of Mental Retardation: AJMR, 96(1), 1–11.
  • Seifer, R., Clark, G. N., & Sameroff, A. J. (1991). Positive effects of interaction coaching on infants with developmental disabilities and their mothers. American Journal on Mental Retardation.
  • Siller, M., Swanson, M., Gerber, A., Hutman, T., & Sigman, M. (2014). A parent-mediated intervention that targets responsive parental behaviors increases attachment behaviors in children with ASD: Results from a randomized clinical trial. Journal of Autism and Developmental Disorders, 44(7), 1720–1732. doi:10.1007/s10803-014-2049-2
  • Solomon, R., Van Egeren, L., Mahoney, G., Quon Huber, M., & Zimmerman, P. (2014). PLAY Project Home Consultation intervention program for young children with autism spectrum disorders: A randomized controlled trial. Journal of Developmental & Behavioral Pediatrics, 35(8), 475–485. doi:10.1097/dbp.0000000000000096
  • Sroufe, L. (2005). Attachment and development: A prospective, longitudinal study from birth to adulthood. Attachment & Human Development, 7(4), 349–367. doi:http://dx.doi.org/10.1080/14616730500365928
  • StataCorp. (2017). Stata Statistical Software: Release 15. In TX: StataCorp LLC.
  • Teague, S., Gray, K., Tonge, B., & Newman, L. (2017). Attachment in children with autism spectrum disorder: A systematic review. Research in Autism Spectrum Disorders, 35, 35–50. doi:10.1016/j.rasd.2016.12.002
  • Thompson, S., & Higgins, J. (2002). How should meta-regression analyses be undertaken and interpreted? Statistics in Medicine, 21(11), 1559–1573. doi:10.1002/sim.1187
  • United States Preventative Task Force (UPSTF). (2012). Grade Definitions. Retrieved 20 January 2023 from https://www.uspreventiveservicestaskforce.org/uspstf/about-uspstf/methods-and-processes/grade-definitions
  • Vandell, D. L. (1979). Effects of a playgroup experience on mother–son and father–son interaction. Developmental Psychology, 15(4), 379.
  • van den Broek, E., van Eijden, A., Overbeek, M., Kef, S., Sterkenburg, P., & Schuengel, C. (2017). A systematic review of the literature on parenting of young children with visual impairments and the adaptions for Video-Feedback Intervention to Promote Positive Parenting (VIPP). Journal of Developmental and Physical Disabilities, 29(3), 503–545. doi:10.1007/s10882-016-9529-6
  • Vandesande, S., Bosmans, G., Schuengel, C., & Maes, B. (2019). Young children with significant developmental delay differentiate home observed attachment behaviour towards their parents. Journal of Applied Research in Intellectual Disabilities, 32(1), 106. doi:10.1111/jar.12513
  • van IJzendoorn, M., Goldberg, S., Kroonenberg, P., & Frenkel, O. (1992). The relative effects of maternal and child problems on the quality of attachment: A meta-analysis of attachment in clinical samples. Child Development, 63(4), 840–858. doi:10.2307/1131237
  • van Ijzendoorn, M., Schuengel, C., & Bakermanskranenburg, M. (1999). Disorganized attachment in early childhood: Meta-analysis of precursors, concomitants, and sequelae. Developmental Psychopathology, 11(2), 225–250. doi:10.1017/S0954579499002035
  • Vaughn, B., Goldberg, S., Atkinson, L., Marcovitch, S., MacGregor, D., & Seifer, R. (1994). Quality of toddler-mother attachment in children with Down syndrome: Limits to interpretation of Strange Situation behavior. Child Development, 65(1), 95–108. doi:10.2307/1131368
  • Veroniki, A., Jackson, D., Viechtbauer, W., Bender, R., Bowden, J., Knapp, G., Higgins, J.P., Langan, D. and Salanti, G., (2016). Methods to estimate the between-study variance and its uncertainty in meta-analysis. Research Synthesis Methods, 7(1), 55–79. doi:10.1002/jrsm.1164
  • Veroniki, A., Jackson, D., Viechtbauer, W., Bender, R., Knapp, G., Kuss, O., & Langan, D. (2015). Recommendations for quantifying the uncertainty in the summary intervention effect and estimating the between-study heterogeneity variance in random-effects meta-analysis. Cochrane Database of Systematic Reviews, 25–27. https://core.ac.uk/reader/80809277
  • Willemsen-Swinkels, S., Bakermans-Kranenburg, M., Buitelaar, J., van Ijzendoorn, M., & van Engeland, H. (2000). Insecure and disorganised attachment in children with a Pervasive Developmental Disorder: Relationship with social interaction and heart rate. Journal of Child Psychology and Psychiatry, 41(6), 759–767. doi:http://dx.doi.org/10.1111/1469-7610.00663