%0 Journal Article %T Attention Span in Preteen Boys and Girl %A Tsigichko, E.A. %A Krivoruchko, M.O. %K attention span, development of attention, preteens, gender differences %J Bulletin of Kemerovo State University. Series: Humanities and Social Sciences %D 2023 %N 7 %P 5 %I Kemerovo State University