‘Let’s talk! What will you say to me … ?’: comparing spontaneous dyad-focused maternal speech to singleton and dizygotic twin infants at home

References

• Abels, M., Papaligoura, Z., Lamm, B., & Yovsi, R. D. (2017). How usual is “play as you usually would”? A comparison of naturalistic mother-infant interactions with videorecorded play sessions in three cultural communities. Child Development Research, 2017, 1–8. Article 7842030. https://doi.org/10.1155/2017/7842030.
   Google Scholar
• Aldrich, N. J., Brooks, P. J., Yuksel-Sokmen, P. O., Ragir, S., Flory, M. J., Lennon, E. M., Karmel, B. Z., & Gardner, J. M. (2015). Infant twins’ social interactions with caregivers and same-age siblings. Infant Behavior and Development, 41, 127–141. https://doi.org/10.1016/j.infbeh.2015.08.005
   PubMed Web of Science ®Google Scholar
• Basta, Μ., Vgotzas, A., Kastanaki, A., Michalodimitrakis, M., Kanaki, K., Koutra, K., Anastasaki, M., & Simos, P. (2018). ‘Suicide rates in crete, Greece during the economic crisis: The effect of age, gender, unemployment and mental health service provision’. BMC Psychiatry, 18(1), 356. https://doi.org/10.1186/s12888-018-1931-4
   PubMedGoogle Scholar
• Bates, D., Maechler, M., Bolker, B., & Walker, S. (2015). Fitting linear mixed-effects models using lme4. Journal of Statistical Software, 67(1), 1–48. https://doi.org/10.18637/jss.v067.i01
   Web of Science ®Google Scholar
• Bateson, M. C. (1979). The epigenesis of conversational interaction: A personal account of research development. In M. Bullowa (Ed.), Before speech: The beginning of human communication (pp. 63–77). Cambridge University Press.
   Google Scholar
• Beebe, B., Jaffe, J., Feldstein, S., Mays, K., & Alson, D. (1985). Interpersonal timing: The application of an adult dialogue model to mother–infant vocal and kinesic interactions. In T. Field (Ed.), Infant social perception (pp. 217–249). Ablex.
   Google Scholar
• Bergelson, E., Amanuti, A., Dailey, S., Koorathota, S., & Tor, S. (2018). Day by day, hour by hour: Naturalistic language input to infants. Developmental Science, 22(1), Article e12715. https://doi.org/10.1111/desc.12715
   Web of Science ®Google Scholar
• Bornstein, M., & Ruddy, M. (1984). Infant attention and maternal stimulation: Prediction of cognitive and linguistic development in singletons and twins. In H. Bouma & D. Douwhuis (Eds.), Attention and performance X: Control of language processes (pp. 433–445). Erlbaum.
   Google Scholar
• Butler, S., McMahon, C., & Ungerer, J. A. (2003). Maternal speech style with prelinguistic twin infants. Infant and Child Development, 12(2), 129–143. https://doi.org/10.1002/icd.272
   Web of Science ®Google Scholar
• Çetinçelik, M., Rowland, C. F., & Snijders, T. M. (2021). Do the eyes have it? A systematic review on the role of eye gaze in infant language development. Frontiers in Psychology, 11, 589096. https://doi.org/10.3389/fpsyg.2020.589096
   PubMed Web of Science ®Google Scholar
• Chen, J., Zhang, J., Liu, Y., Wei, X., Yang, Y., Zou, G., Zhang, Y., Duan, T., & Sun, L. (2021). Fetal growth standards for Chinese twin pregnancies. BMC Pregnancy and Childbirth, 21(1), 436. https://doi.org/10.1186/s12884-021-03926-y
   PubMed Web of Science ®Google Scholar
• Cho, G. J., Cho, K.-D., Kim, H. Y., Ha, S., Oh, M.-J., Won, H.-S., & Chung, J. H. (2022). Short-term neonatal and long-term infant outcome of late-preterm twins: Nationwide population-based study. Ultrasound in Obstetrics and Gynecology, 59(6), 763–770. https://doi.org/10.1002/uog.24838
   PubMed Web of Science ®Google Scholar
• Chung, F. F., Wan, G. H., Kuo, S. C., Lin, K.-C., & Liu, H.-E. (2018). Mother–infant interaction quality and sense of parenting competence at six months postpartum for first-time mothers in Taiwan: A multiple time series design. BMC Pregnancy and Childbirth, 18(1), 365. https://doi.org/10.1186/s12884-018-1979-7
   PubMedGoogle Scholar
• Conway, D., Lytton, H., & Pysh, F. (1980). Twin–singleton language differences. Canadian Journal of Behavioural Science, 12(3), 264–271. https://doi.org/10.1037/h0081061
   Web of Science ®Google Scholar
• Corsaro, W. A. (1977). The clarification request as a feature of adult interactive styles with young children. Language in Society, 6(2), 183–207. https://doi.org/10.1017/S0047404500007247
   Web of Science ®Google Scholar
• Crugnola, C. R., Ierardi, E., Prino, L. E., Brustia, P., Cena, L., & Rolie, L. (2020). Early styles of interaction in mother-twin infant dyads and maternal mental health. Archives of Women’s Mental Health, 23(5), 1–7. https://doi.org/10.1007/s00737-020-01037-9
   PubMed Web of Science ®Google Scholar
• D’haeseleer, E., Geenens, E., Parmantier, S., Cothals, P., & Van Lierde, K. (2016). Language development of three-to twelve-year-old twins compared to singletons. Folia Phoniatrica et Logopaedica, 68(2), 92–98. https://doi.org/10.1159/000446701
   PubMed Web of Science ®Google Scholar
• Dowe, K. N., Planalp, E. M., Dean, D. C., Alexander, A. L., Davidson, R. J., & Goldsmith, H. H. (2020). Early microstructure of white matter associated with infant attention. Developmental Cognitive Neuroscience, 45, 100815. Article 100815. https://doi.org/10.1016/j.dcn.2020.100815.
   PubMed Web of Science ®Google Scholar
• Euser, S., Vrijhof, C. I., Van den Bulk, B. G., Vermeulen, R., Bakermans-Kranenburg, M. J., & van IJzendoom, M. H. (2021). Video promotes sensitive limit-setting in parents of twin preschoolers: A randomized controlled trial. BMC Psychology, 9(1), 46. https://doi.org/10.1186/s40359-021-00548-z
   PubMedGoogle Scholar
• Feldman, R. (2007). Parent–infant synchrony and the construction of shared timing; physiological precursors, developmental outcomes, and risk conditions. Journal of Child Psychology and Psychiatry, 48(3–4), 329–354. https://doi.org/10.1111/j.1469-7610.2006.01701.x
   PubMed Web of Science ®Google Scholar
• Fox, J., & Weisberg, S. (2019). An R companion to applied rcegression (3rd Ed.) Sage.
   Google Scholar
• Gill, P., Lende, M. N., & Van Hook, J. W. (2022, January). Twin births. [Updated 2022 Jun 21]. In: StatPearls [Internet], StatPearls Publishing.
   Google Scholar
• Goldberg, S., & DiVitto, B. (2002). Parenting children born preterm. In M. H. Bornstein (Ed.), Handbook of parenting: Vol. 1. Children and parenting (2nd ed., pp. 329–354). Lawrence Erlbaum Associates.
   Google Scholar
• Goldsmith, H. H. (1991). A zygosity questionnaire for young twins: A research note. Behavior Genetics, 21(3), 257–269. https://doi.org/10.1007/BF01065819
   PubMed Web of Science ®Google Scholar
• Hane, A. A., & Philbrook, L. E. (2012). Beyond licking and grooming: Maternal regulation of infant stress in the context of routine care. Parenting, Science and Practice, 12(2–3), 144–153. https://doi.org/10.1080/15295192.2012.683341
   PubMed Web of Science ®Google Scholar
• Hermans, H., & Hermans-Jansen, E. (2003). Dialogical processes and development of the self. In J. Valsiner & K. J. Connolly (Eds.), Handbook of developmental psychology (pp. 534–559). Sage Publications.
   Google Scholar
• Herrera, E., Reissland, N., & Shepherd, J. (2004). Maternal touch and maternal child-directed speech: Effects of depressed mood in the postnatal period. Journal of Affective Disorders, 81(1), 29–39. https://doi.org/10.1016/j.jad.2003.07.001
   PubMed Web of Science ®Google Scholar
• Holquist, M., & Emerson, C. (1981). Glossary. In M. Bakhtin & M. Holquist Eds., The dialogic imagination: Four essays by M. M. Bakhtin (M. Bakhtin, M. Holquist, C. Emerson, Trans.) (pp. 423–434). University of Texas Press.
   Google Scholar
• Hulshoff Pol, H. E., Posthuma, D., Baare, W. F. C., De Geus, E. J. C., Schnack, H. G., van Haren, N. E. M., van Oel, C.J., Kahn, R.S. & Boomsma, D. I. (2002). Twin-singleton differences in brain structure using structural equation modelling. Brain A Journal of Neurology, 125, 384–390. https://www.scopus.com/inward/record.uri?eid=2-s2.0-0036165245&partnerID=40&md5=1fa73ec0a79c1444cfa20d6f7a37229e
   PubMed Web of Science ®Google Scholar
• Jamala, F., Akhtar, R., Karim, R., & Yasmin, M. (2013). Twin delivery: Perinatal outcome of the second born twin. Journal of Postgraduate Medical Institute, 28(1), 79–82.
   Google Scholar
• Kagitcibasi, C. (2005). Autonomy and relatedness in cultural context: Implications for self and family. Journal of Cross-Cultural Psychology, 36(4), 403–422. https://doi.org/10.1177/0022022105275959
   Web of Science ®Google Scholar
• Karnati, S., Kollikonds, S., & Abu-Shaweesh, J. (2020). Late preterm infants – changing trends and continuing challenges. International Journal of Pediatrics and Adolescent Medicine, 7(1), 38–46. https://doi.org/10.1016/j.ijpam.2020.02.006
   Google Scholar
• Katakis, C. (1976). An exploratory multi-level attempt to investigate intrapersonal and interpersonal patterns of twenty Athenian families. Mental Health and Society, 3(1–2), 1–9.
   PubMedGoogle Scholar
• Katakis, C. (1978). The changing position of the child in the Greek family. Paper presented at the Athens International Symposium on the Child in the World of Tomorrow, Athens.
   Google Scholar
• Keller, H., Papaligoura, Z., Kuensemueller, P., Voelker, S., Papaeliou, C., Lohaus, A., Lamm, B., Kokkinaki, T., Chrysikou, E., & Mousouli, V. (2003). Concepts of mother-infant interaction in Greece and Germany. Journal of Cross-Cultural Psychology, 34(6), 677–689. https://doi.org/10.1177/0022022103257035
   Web of Science ®Google Scholar
• Kokkinaki, T. (1998). Emotion and imitation in early infant-parent interaction: A longitudinal and cross-cultural study. [ PhD thesis]. Department of Psychology, University of Edinburgh.
   Google Scholar
• Kokkinaki, T., Koutra, K., Michopoulou, O., Anagnostatou, N., Chaziraki, L., Kokarida, P., & Hatzidaki, E. (2022). Giving birth in unpredictable conditions: Association between parents’ COVID-19 related concerns, family functioning, dyadic coping, perceived social support and depressive symptoms. Healthcare, 10(12), 2550. https://doi.org/10.3390/healthcare10122550
   Web of Science ®Google Scholar
• Kokkinaki, T., & Kugiumutzakis, G. (2000). Basic aspects of vocal imitation in infant-parent interactions during the first six months. Journal of Reproductive and Infant Psychology, 18(3), 173–187. https://doi.org/10.1080/713683042
   Web of Science ®Google Scholar
• Kokkinaki, T., & Markodimitraki, Μ. (2017). Spontaneous emotional coordination of first-born dizygotic twins and singletons with their mothers in early infancy. European Journal of Developmental Psychology, 16(3), 268–289. https://doi.org/10.1080/17405629.2017.137590
   Web of Science ®Google Scholar
• Kokkinaki, T., Markodimitraki, M., & Vasdekis, V. G. S. (2022a). Comparing speech acts and complexity of maternal speech to singleton and first-born dizygotic twin infants. Early Child Development and Care, 193(3), 347–365. https://doi.org/10.1080/03004430.2022.2091553
   Web of Science ®Google Scholar
• Kokkinaki, T., Markodimitraki, M., & Vasdekis, V. G. S. (2022b). Maternal speech to singleton and first-born dizygotic twin infants: A four-month longitudinal and naturalistic study. European Journal of Developmental Psychology, 20(3), 465–496. https://doi.org/10.1080/17405629.2022.2092092
   Web of Science ®Google Scholar
• Kraemer, C. A., & James, S. L. (1977). A comparison of language samples elicited at home and in the clinic. Paper presented at the American Speech-Language and Hearing Association Convention, Chicago.
   Google Scholar
• Kugiumutzakis, G., Kaklamani, T., Sarafidou, G., Markodimitraki, M., & Pateraki, M. (2009). Temporal patterns in imitative interaction of DZ twin infants (in Greek). Παιδί και Έφηβος: Ψυχική Υγεία και Ψυχοπαθολογία, 11, 9–36.
   Google Scholar
• Kuznetsova, A., Brockhoff, P. B., & Christensen, R. H. B. (2017). lmerTest package: Tests in linear mixed effects models. Journal of Statistical Software, 82(13), 1–26. https://doi.org/10.18637/jss.v082.i13
   Web of Science ®Google Scholar
• Lenth, R. V. (2023). Emmeans: Estimated marginal means, aka least-squares means. R package version 1.8.7. https://CRAN.R-project.org/package=emmeans
   Google Scholar
• Loizos, P., & Papataxiarchis, E. (1991). Contested identities: Gender and kinship in modern Greece. Princeton University Press.
   Google Scholar
• Lytton, H. (1980). Parent child interaction: The socialization process observed in twin and Singleton families. Plenum Press.
   Google Scholar
• Lytton, H., Conway, D., & Sauve, R. (1977). The impact of twinship on parent-child interaction. Journal of Personality and Social Psychology, 35(2), 97–107. https://doi.org/10.1037/0022-3514.35.2.97
   Web of Science ®Google Scholar
• Markodimitraki, M., Pateraki, M., Kaklamani, S., & Kugiumutzakis, G. (2008). Imitation in interactions between dizygotic twins (in Greek). Ψυχολογικά Θέματα, 14, 91–108.
   Google Scholar
• Mark, K. M., Pike, A., Latham, R. M., & Oliver, B. R. (2017). The maternal emotional climate predicts twin sibling relationship quality. Twin Research and Human Genetics, 20(2), 150–160. https://doi.org/10.1017/thg.2017.8
   PubMed Web of Science ®Google Scholar
• Matas, E., Bock, J., & Braun, K. (2016). The impact of parent-infant interaction on epigenetic plasticity mediating synaptic adaptations in the infant brain. Psychopathology, 49(4), 201–210. https://doi.org/10.1159/000448055
   PubMed Web of Science ®Google Scholar
• Mavridis, S. (2018). Greece’s economic and social transformation 2008–2017. Social Sciences, 7(2), 9. https://doi.org/10.3390/socsci7010009
   Google Scholar
• Moreno-Núñez, A., Murillo, E., Casia, M., & Rujas, I. (2021). The multimodality of infant’s rhythmic movements as a modulator of the interaction with their caregivers. Infant Behavior and Development, 65, 101645. https://doi.org/10.1016/j.infbeh.2021.101645
   PubMed Web of Science ®Google Scholar
• Nijhuis, J. G., & Visser, G. H. A. (2003). Discussion to ‘fetal behaviour’ by Jan G. Nijhuis and ‘fetal behavior: A commentary’ by Gerald H. A. Visser. Neurobiology of Aging, 24, S51–S52. https://doi.org/10.1016/S0197-4580(03)00062-9
   PubMedGoogle Scholar
• Oller, D. K., Caskey, M., Yoo, H., Bene, E. R., Jhang, Y., Lee, C.-C., Bowman, D. D., Long, H. L., Buder, E. H., & Vohr, B. (2019). Preterm and full term infant vocalization and the origin of language. Scientific Reports, 9(1), 14734. https://doi.org/10.1038/s41598-019-51352-0
   PubMedGoogle Scholar
• Omi-Okamoto, Y. (2015). Parental proxy talk in Japanese parents: How does a parent express oneself through a baby’s voice? In G. Marsico (Ed.), Educational contexts and borders through a cultural lens, cultural psychology of education 1 (pp. 267–282). Springer International Publishing.
   Google Scholar
• Ostfeld, B. M., Smith, R. H., Hiatt, M., & Hegyi, T. (2000). Maternal behavior toward premature twins: Implications for development. Twin Research (2000), 3(4), 234–241. https://doi.org/10.1375/136905200320565201
   PubMedGoogle Scholar
• Papadakaki, M., Stamouli, M.-A., Maragkaki, P., Lioliou, S., Diamanti, S., Kasotaki, K., & Chliaoutakis, J. (2021). Exploring the psychosocial needs of people living in extreme poverty and introducing brief interventions: The case of crete region in Greece. Research on Social Work Practice, 31(4), 410–420. https://doi.org/10.1177/10497315211004742
   Web of Science ®Google Scholar
• Pateraki, M. (2011). Imitation in interactions between dizygotic twins and between dizygotic twins and their mother (In Greek). [ PhD thesis]. Department of Philosophical and Social Sciences, University of Crete.
   Google Scholar
• Pateraki, M., Markodimitraki, M., Kaklamani, S., & Kugiumutzakis, G. (2008). Imitative direction and kinds in DZ twin infant pair interactions (in Greek). Ψυχολογικά Θέματα, 14, 65–90.
   Google Scholar
• Prino, L. E., Rollè, L., Sechi, C., Patteri, L., Ambrosoli, A., Caldarera, A. M., Gerino, E., & Brustia, P. (2016). Parental relationship with twins from pregnancy to 3 months: The relation among parenting stress, infant temperament, and well-being. Frontiers in Psychology, 7, 1628. https://doi.org/10.3389/fpsyg.2016.01628
   PubMed Web of Science ®Google Scholar
• Rabain-Jamin, J., & Sabeau - Jouannet, E. (1997). Maternal speech to 4 - month – old infants in two cultures: Wolof and French. International Journal of Behavioral Development, 20(3), 425–451. https://doi.org/10.1080/016502597385216
   Web of Science ®Google Scholar
• R Core Team. (2023). R: A language and environment for statistical computing. R Foundation for Statistical Computing. https://www.R-project.org
   Google Scholar
• Rocha, N. A. C. F., Dos Santos Silva, F. P., Dos Santos, M. M., & Dusing, S. C. (2020). Impact of mother-infant interaction on development during the first year of life: A systematic review. Journal of Child Health Care, 24(3), 365–385. https://doi.org/10.1177/1367493519864742
   PubMed Web of Science ®Google Scholar
• Rutter, M., & Redshaw, J. (1991). Growing up as a twin: Twin–singleton differences in psychological development. Journal of Child Psychology and Psychiatry, 32(6), 885–895. https://doi.org/10.1111/j.1469-7610.1991.tb01916.x
   PubMed Web of Science ®Google Scholar
• Scott, C., Taylor, A., & White, C. (1975). A comparison at home and clinic gathered language samples. Paper presented at the American Speech-Language and Hearing Convention.
   Google Scholar
• Shapiro-Mendoza, C. K., & Lackritz, E. M. (2012). Epidemiology of late and moderate preterm birth. Seminars in Fetal and Neonatal Medicine, 17(3), 120–5. https://doi.org/10.1016/j.siny.2012.01.007
   PubMed Web of Science ®Google Scholar
• Snow, C. (1977). The development of conversation between mothers and babies. Journal of Child Language, 4(1), 1–22. https://doi.org/10.1017/S0305000900000453
   Web of Science ®Google Scholar
• Soderstrom, M. (2007). Beyond babytalk: Re-evaluating the nature and content of speech input to preverbal infants. Developmental Review, 27(4), 501–532. https://doi.org/10.1016/j.dr.2007.06.002
   Web of Science ®Google Scholar
• Sroufe, L. A. (1995). Emotional development: The organization of emotional life in the early years. Cambridge University Press. https://doi.org/10.1017/CBO9780511527661
   Google Scholar
• Stafford, L. (1987). Maternal input to twin and singleton children implications for language acquisition. Human Communication Research, 13(4), 429–462. https://doi.org/10.1111/j.1468-2958.1987.tb00114.x
   Web of Science ®Google Scholar
• Sutcliffe, A. G., & Derom, C. (2006). Follow-up of twins: Health, behaviour, speech language outcomes and implications for parents. Early Human Development, 82(6), 379–386. https://doi.org/10.1016/j.earlhumdev.2006.03.007
   PubMed Web of Science ®Google Scholar
• Sylvester-Bradley, B., & Trevarthen, C. (1978). Baby talk as an adaptation to the infant’s communication. In N. Waterson & C. Snow (Eds.), The development of communication (pp. 75–92). John Wiley & Sons.
   Google Scholar
• Szajnberg, Ν. Μ., Skrinjaric, J., & Moore, A. (1989). Affect attunement, attachment, temperament, and zygosity: A twin study. Journal of the American Academy of Child and Adolescent Psychiatry, 28(2), 249–253. https://doi.org/10.1097/00004583-198903000-00017
   PubMed Web of Science ®Google Scholar
• Terkenli, T. S., Bellas, M. L., & Jenkins, L. D. (2007). Tourism impacts on local life: Socio-cultural continuity and change in Crete. Aegean Geographical Journal, 16, 37–52.
   Google Scholar
• Thorpe, K. (2006). Twin children’s language development. Early Human Development, 82, 387–395. https://doi.org/10.1016/j.earlhumdev.2006.03.012 6
   PubMed Web of Science ®Google Scholar
• Thorpe, K., Golding, J., MacGillivray, I., & Greenwood, R. (1991). Comparison of prevalence of depression in mothers of twins and mothers of singletons. BMJ: British Medical Journal, 302(6781), 875–878. https://doi.org/10.1136/bmj.302.6781.875
   Web of Science ®Google Scholar
• Thorpe, K., Rutter, M., & Greenwood, R. (2003). Twins as a natural experiment to study the causes of mild language delay: II: Family interaction risk factors. Journal of Child Psychology and Psychiatry, 44(3), 342–355. https://doi.org/10.1111/1469-7610.00126
   PubMed Web of Science ®Google Scholar
• Tomasello, M., Mannle, S., & Kruger, A. C. (1986). Linguistic environment of 1- to 2-year-old twins. Developmental Psychology, 22(2), 169–176. https://doi.org/10.1037/0012-1649.22.2.169
   Web of Science ®Google Scholar
• Trad, P. V. (1990). Infant previewing: Predicting and sharing interpersonal outcome. Springer-Verlag.
   Google Scholar
• Trevarthen, C. (1979). Communication and cooperation in early infancy. A description of primary intersubjectivity. In M. Bullowa (Ed.), Before speech: The beginning of human communication (pp. 321–347). Cambridge University Press.
   Google Scholar
• Trevarthen, C. (1993). The function of emotions in early infant communication and development. In J. Nadel & L. Camaioni (Eds.), New perspectives in early communicative development (pp. 48–81). Routledge.
   Google Scholar
• Trevarthen, C. (2016). From the intrinsic motive pulse of infant actions, to the life time of cultural meanings. In B. Mölder, V. Arstila, & P. Ohrstrom (Eds.), Philosophy and psychology of time springer studies in brain and mind (Vol. 9, pp. 225–265). Springer.
   Google Scholar
• Trevarthen, C. (2017). Play with infants: The impulse for human story-telling. In T. Bruce, P. Hakkarainen, & M. Bredikyte (Eds.), The routledge international handbook of play in early childhood (pp. 198–215). Taylor and Francis/Routledge. Chapter 15.
   Google Scholar
• Trevarthen, C., & Aitken, K. J. (2003). Regulation of brain development and age-related changes in infants’ motives: The developmental function of ‘regressive’ periods. In M. Heimann (Ed.), Regression periods in human infancy (pp. 107–184). Erlbaum.
   Google Scholar
• Trevarthen, C., Aitken, K. J., Vandekerckhove, M., Delafield-Butt, J., & Nagy, E. (2006). Collaborative regulations of vitality in early childhood: Stress in intimate relationships and postnatal psychopathology. In D. Cicchetti & D. J. Cohen. Eds., Developmental psychopathology (2nd ed, Vol. 2). Developmental Neuroscience pp. 65–126. Wileys.
   Google Scholar
• Trevarthen, C., Kokkinaki, T., & Fiamenghi, G. (1999). What infants’ imitations communicate: With mothers, with fathers and with peers. In J. Nadel & G. Butterworth (Eds.), Imitation in infancy: Progress and prospects of Current research (pp. 127–185). Cambridge University Press.
   Google Scholar
• Trombetta, T., Brustia, P., Curti, L., Caldarera, A., Gerino, E., & Rolle, L. (2019). Twins’ and singletons’ linguistic environment: A systematic review. Frontiers in Psychology, 10. Article 2005. https://doi.org/10.3389/fpsyg.2019.02005
   Web of Science ®Google Scholar
• Wertsch, J. (1991). Voices of the mind—A sociocultural approach to mediated action. Harvard University Press.
   Google Scholar
• Wilson, R. S. (1983). The Louisville twin study: Developmental synchronies in behavior. Child Development, 54(2), 298–316. https://doi.org/10.1111/j.1467-8624.1983.tb03874.x
   PubMed Web of Science ®Google Scholar
• Woodhouse, S. S. (2010). Dyadic interactions as precursors to attachment security: Implications for intervention and research. Attachment and Human Development, 12(1–2), 151–157. https://doi.org/10.1080/14616730903381514
   PubMed Web of Science ®Google Scholar
• Τrevarthen, C. (1977). Descriptive analysis of infant communicative behaviour. In H. R. Schaffer (Ed.), Studies in mother-infant interaction (pp. 227–270). Academic Press.
   Google Scholar