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


Rzhanova I.E., Alekseeva O.S. Sex differences in intelligence and personality traits at siblings from two-child families

Full text in Russian: Ржанова И.Е., Алексеева О.С. Половые различия по когнитивным и личностным характеристикам у сиблингов в двухдетных семьях
Psychological institute, Moscow, Russia

About authors
Suggested citation

Sex differences in intelligence and personality traits were investigated. Sample consisted of 604 siblings from two-child families (284 women and 320 men). It was found, that sex differences in IQ-scores depend on birth order and type of sibling pair. Girls scored higher than boys on neuroticism. There were no significant differences between boys and girls in extraversion, sensation seeking and locus of control.

Keywords: sex differences, siblings, IQ, neuroticism, extraversion, locus of control, sensation seeking



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Received 18 August 2015. Date of publication: 17 February 2016.

About authors

Alekseeva Olga S. Research Associate, Psychological Institute, Russian Academy of Education, ul. Mokhovaya, 9–4, 125009 Moscow, Russia.
E-mail: Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Rzhanova Irina E. Research Associate, Psychological Institute, Russian Academy of Education, ul. Mokhovaya, 9–4, 125009 Moscow, Russia.
E-mail: Этот адрес электронной почты защищен от спам-ботов. У вас должен быть включен JavaScript для просмотра.

Suggested citation

Rzhanova I.E., Alekseeva O.S. Sex differences in intelligence and personality traits at siblings from two-child families. Psikhologicheskie Issledovaniya, 2016, Vol. 9, No. 45, p. 10. (in Russian, abstr. in English).

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