Psikhologicheskie Issledovaniya • ISSN 2075-7999
peer-reviewed • open access journal
      

 

Egorova M.S., Chertkova Y.D. Academic achievement of twins and singletons: a cross-cultural study


EGOROVA M.S., CHERTKOVA Y.D. ACADEMIC ACHIEVEMENT OF TWINS AND SINGLETONS: A CROSS-CULTURAL STUDY
Full text in Russian: Егорова М.С., Черткова Ю.Д. Академическая успеваемость близнецов и одиночнорожденных детей: кросс-культурное исследование

Lomonosov Moscow State University, Moscow, Russia

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In the current paper we present the results of the comparison of academic achievement of twins and single-born schoolchildren of the Russian Federation (429 twin pairs and a 858 singletons) and the Republic of Azerbaijan (1400 twin pairs and 1445 their single-born peers). Objectives of the study: 1) to determine whether there are differences in academic achievement of twins and singletons as secondary school students; 2) to study the influence of the zygosity on scholastic performance in twin pairs; 3) to assess the presence of cultural specificity in relation to the effects of twin situation. It was shown that in both countries the twins do not differ from singletons in  academic performance, and the factor of zygosity plays some role only in Azerbaijan (monozygotic twins delay in verbal development). It is assumed that in Azerbaijan, parents and teachers pay less attention to the individual differences in twins and thus impoverish the environment of twins’ development.

Keywords: monozygotic twins, dizygotic  twins, academic achievement, singletons, zygosity

 

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Received 18 May 2016. Date of publication: 29 August 2016.

About authors

Egorova Marina S. Ph.D., Professor, Head of Department of Behavioral Genetics, Faculty of Psychology, Lomonosov Moscow State University, ul. Mokhovaya, 11–9, 125009 Moscow, Russia.
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Chertkova Yulia D. Ph.D., Associate Professor, Department of Behavioral Genetics, Faculty of Psychology, Lomonosov Moscow State University, ul. Mokhovaya, 11–9, 125009 Moscow, Russia.
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Suggested citation

Egorova M.S., Chertkova Y.D. Academic achievement of twins and singletons: a cross-cultural study. Psikhologicheskie Issledovaniya, 2016, Vol. 9, No. 48, p. 12. http://psystudy.ru (in Russian, abstr. in English).

Permanent URL: http://psystudy.ru/index.php/eng/2016v9n48e/1326-egorova48e.html

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