Cathrine F Hjorth, Line Bilgrav, Louise Sjørslev Frandsen, Charlotte Overgaard, Christian Torp-Pedersen, Berit Nielsen, Henrik Bøggild
Mental health and school dropout across educational levels and genders: a 4.8-year follow-up study
BMC public health
examined development numerical magnitude representations fractions decimals fourth 12th grade experiment 1 assessed rational number magnitude knowledge 200 chinese fourth fifth sixth eighth 12th graders 92 girls 108 boys presenting fraction decimal magnitude comparison tasks well fraction decimal 01 05 number line estimation tasks magnitude representations decimals became accurate earlier improved rapidly reached higher asymptotic accuracy magnitude representations fractions analyses individual differences revealed positive relations accuracy decimal fraction magnitude representations ages experiment 2 presented additional set 24 fourth graders 14 girls 10 boys tasks decimals compared varying number decimal digits decimal advantage continued present magnitude comparison estimation tasks indicating greater accuracy decimals limited decimals equal numbers decimal digits though unequal numbers decimal digits impact performance decimals magnitude comparison number line estimation tasks implications understanding numerical development education discussed psycinfo database record c 2023 apa rights reserved