Modelling mathematical argumentation: The importance of qualification M Inglis, JP Mejia-Ramos, A Simpson Educational Studies in Mathematics 66 (1), 3-21, 2007 | 407 | 2007 |

What is the object of the encapsulation of a process? D Tall, M Thomas, G Davis, E Gray, A Simpson The Journal of Mathematical Behavior 18 (2), 223-241, 1999 | 275 | 1999 |

CONVERGENCE OF SEQUENCES AND SERIES 2 L Alcock, A Simpson Educational Studies in Mathematics 58 (1), 77-100, 2005 | 264* | 2005 |

Convergence of sequences and series: Interactions between visual reasoning and the learner's beliefs about their own role L Alcock, A Simpson Educational Studies in Mathematics 57 (1), 1-32, 2004 | 264 | 2004 |

A search for understanding JM Duffin, AP Simpson The Journal of Mathematical Behavior 18 (4), 415-427, 2000 | 209 | 2000 |

Definitions: dealing with categories mathematically L Alcock, A Simpson For the Learning of Mathematics 22 (2), 28-34, 2002 | 156 | 2002 |

Towards a definition of attitude: the relationship between the affective and the cognitive in pre-university students K Daskalogianni, A Simpson PME CONFERENCE 2, 2-217, 2000 | 133 | 2000 |

Convergence of Sequences and Series 2: Interactions between Nonvisual Reasoning and the Learner L Alcock, A Simpson Educational Studies in Mathematics 58 (1), 24, 2005 | 109* | 2005 |

Convergence of sequences and series 2: Interactions between nonvisual reasoning and the learner’s beliefs about their own role L Alcock, A Simpson Educational Studies in Mathematics 58 (1), 77-100, 2005 | 109 | 2005 |

The misdirection of public policy: Comparing and combining standardised effect sizes A Simpson Journal of Education Policy 32 (4), 450-466, 2017 | 104 | 2017 |

Does generating examples aid proof production? P Iannone, M Inglis, JP Mejía-Ramos, A Simpson, K Weber Educational Studies in Mathematics, 1-14, 2011 | 88 | 2011 |

The summative assessment diet: how we assess in mathematics degrees P Iannone, A Simpson Teaching Mathematics and its Applications, 2011 | 83 | 2011 |

The surprising persistence of Biglan's classification scheme A Simpson Studies in Higher Education 42 (8), 1520-1531, 2017 | 72 | 2017 |

Conditional inference and advanced mathematical study M Inglis, A Simpson Educational Studies in Mathematics 67 (3), 187-204, 2008 | 69 | 2008 |

Natural, conflicting and alien. JM Duffin, AP Simpson The Journal of Mathematical Behavior, 1993 | 59 | 1993 |

Students’ views of oral performance assessment in mathematics: straddling the ‘assessment of’and ‘assessment for’learning divide P Iannone, A Simpson Assessment & Evaluation in Higher Education 40 (7), 971-987, 2015 | 56 | 2015 |

The Warwick analysis project: Practice and theory L Alcock, A Simpson The teaching and learning of mathematics at university level, 99-111, 2001 | 55 | 2001 |

The anatomy of a mathematical proof: Implications for analyses with Toulmin’s scheme A Simpson Educational studies in mathematics 90 (1), 1-17, 2015 | 54 | 2015 |

Conditional inference and advanced mathematical study: Further evidence M Inglis, A Simpson Educational Studies in Mathematics 72 (2), 185-198, 2009 | 51 | 2009 |

Students' preferences in undergraduate mathematics assessment P Iannone, A Simpson Studies in Higher Education, 1-22, 2014 | 50 | 2014 |