Upper secondary students' task reasoning T Bergqvist, J Lithner, L Sumpter International Journal of Mathematical Education in Science and Technology 39 …, 2008 | 66 | 2008 |

Upper secondary students' task reasoning T Bergqvist, J Lithner, L Sumpter International Journal of Mathematical Education in Science and Technology 39 …, 2008 | 66 | 2008 |

Themes and interplay of beliefs in mathematical reasoning L Sumpter International Journal of Science and Mathematics Education 11 (5), 1115-1135, 2013 | 47 | 2013 |

Students’ mathematical reasoning and beliefs in non-routine task solving J Jäder, J Sidenvall, L Sumpter International Journal of Science and Mathematics Education 15 (4), 759-776, 2017 | 26 | 2017 |

Preschool children's collective mathematical reasoning during free outdoor play L Sumpter, M Hedefalk The Journal of Mathematical Behavior 39, 1-10, 2015 | 25 | 2015 |

Reasoning characteristics in upper secondary school students' task solving T Bergqvist, J Lithner, L Sumpter Univ., 2003 | 24 | 2003 |

Children’s conceptions about mathematics and mathematics education A Dahlgren Johansson, L Sumpter MAVI-16, 2010 | 22 | 2010 |

Children’s conceptions about mathematics and mathematics education A Dahlgren Johansson, L Sumpter MAVI-16, 2010 | 22 | 2010 |

On aspects of mathematical reasoning: Affect and gender L Sumpter Print & Media, Umeå University, 2009 | 22 | 2009 |

‘Boys press all the buttons and hope it will help’: Upper secondary school teachers’ gendered conceptions about students’ mathematical reasoning L Sumpter International Journal of Science and Mathematics Education 14 (8), 1535-1552, 2016 | 14 | 2016 |

Recreational Mathematics-Only For Fun? L Sumpter Journal of Humanistic Mathematics 5 (1), 121-138, 2015 | 12 | 2015 |

Investigating Upper Secondary School Teachers’ Conceptions: Is Mathematical Reasoning Considered Gendered? L Sumpter International Journal of Science and Mathematics Education 14 (2), 347-362, 2016 | 11 | 2016 |

Upper secondary school students’ gendered conceptions about affect in mathematics L Sumpter Nordisk matematikkdidaktikk 17 (2), 27-47, 2012 | 11 | 2012 |

Teachers' conceptions about students' mathematical reasoning: Gendered or not? L Sumpter Department of Mathematics and Mathematical Statistics, Umeå University, 2009 | 9 | 2009 |

Grade 2 and Grade 5 students’ conceptions about mathematics and mathematics education A Blomqvist, U Elamari, L Sumpter Proceedings of NORMA 11, 187-196, 2012 | 8 | 2012 |

A dual eye-tracking study of objectification as student–tutor joint activity appropriation A Shvarts, E Bergqvist, M Österholm, C Granberg, L Sumpter Proceedings of the 42nd Conference of the International Group for the …, 2018 | 7 | 2018 |

A reason to believe: beliefs as an influence on students task solving L Sumpter Department of Mathematics and Mathematical Statistics, Umeå University, 2008 | 6 | 2008 |

Upper secondary school students' gendered conceptions about mathematics L Sumpter Department of Mathematics and Mathematical Statistics, Umeå University, 2009 | 5 | 2009 |

Studying preschool children’s reasoning through epistemological move analysis L Sumpter, M Hedefalk PME41 3, 1-8, 2017 | 4 | 2017 |

An experimental study of segregation mechanisms M Tsvetkova, O Nilsson, C Öhman, L Sumpter, D Sumpter EPJ Data Science 5 (1), 1-10, 2016 | 4 | 2016 |