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How big is the difference? The effect of gender and age-gap between siblings on educational achievements

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F16%3A10326835" target="_blank" >RIV/00216208:11310/16:10326835 - isvavai.cz</a>

  • Výsledek na webu

  • DOI - Digital Object Identifier

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    How big is the difference? The effect of gender and age-gap between siblings on educational achievements

  • Popis výsledku v původním jazyce

    The effects of birth order on various dimensions of human personality and behaviour have been extensively studied. These effects might, however, be modulated by siblings' gender and their age-gap. It was previously suggested that the greatest birth-order-related difference occurs among offspring with closer birth intervals and siblings with age-gap greater than 5 years are expected to affect each other rather negligibly. In the present research we focused on the effect of siblings' gender and their age-gap on educational achievements. We collected data from biology students of Charles University in Prague (2011-2015) using a questionnaire containing family and birth order related questions. To avoid the confounding effect of family size, we selected only two-child families (N=781) and computed the proportions of firstborns while considering their gender and age-gap. On average, we found a significantly higher proportion of firstborns irrespective of their sex and sex of their siblings. More importantly, the proportion of firstborns was highest among those whose younger siblings were approximately 1 to 3 years apart. As the age-gap increases, the proportion of firstborns decreases in both sexes. However, the decrease is further modulated by sibling's gender and appears to be substantial in men as compared to women. Our results highlight the importance of controlling for gender and age-gap among siblings and indicate that the frequently used 5-years age-gap might be misleading. We further suggest to employ the above reported approach for testing other psychological characteristics where birth order effect was previously reported.

  • Název v anglickém jazyce

    How big is the difference? The effect of gender and age-gap between siblings on educational achievements

  • Popis výsledku anglicky

    The effects of birth order on various dimensions of human personality and behaviour have been extensively studied. These effects might, however, be modulated by siblings' gender and their age-gap. It was previously suggested that the greatest birth-order-related difference occurs among offspring with closer birth intervals and siblings with age-gap greater than 5 years are expected to affect each other rather negligibly. In the present research we focused on the effect of siblings' gender and their age-gap on educational achievements. We collected data from biology students of Charles University in Prague (2011-2015) using a questionnaire containing family and birth order related questions. To avoid the confounding effect of family size, we selected only two-child families (N=781) and computed the proportions of firstborns while considering their gender and age-gap. On average, we found a significantly higher proportion of firstborns irrespective of their sex and sex of their siblings. More importantly, the proportion of firstborns was highest among those whose younger siblings were approximately 1 to 3 years apart. As the age-gap increases, the proportion of firstborns decreases in both sexes. However, the decrease is further modulated by sibling's gender and appears to be substantial in men as compared to women. Our results highlight the importance of controlling for gender and age-gap among siblings and indicate that the frequently used 5-years age-gap might be misleading. We further suggest to employ the above reported approach for testing other psychological characteristics where birth order effect was previously reported.

Klasifikace

  • Druh

    O - Ostatní výsledky

  • CEP obor

    AN - Psychologie

  • OECD FORD obor

Návaznosti výsledku

  • Projekt

  • Návaznosti

    S - Specificky vyzkum na vysokych skolach

Ostatní

  • Rok uplatnění

    2016

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů