Mathematical Reasoning of Children and Adults (PDF)

Alina Galvão Spinillo is a Full Professor in the Post-Graduate Program in Cognitive Psychology at the Federal University of Pernambuco, Brazil. She is also one of the leaders of the Group for Research in Psychology of Mathematics Education at the same university. She served as Coordinator of the Working Group Sociocognitive and Language Development of the National Association for Research and Post-Graduate Programs in Psychology (ANPEPP), Brazil. She is a level 1 researcher with the National Council for Scientific and Technological Development (CNPq). She holds a bachelor's degree in Psychology and a master's degree in Cognitive Psychology both from the Federal University of Pernambuco. She holds a Ph.D. in Developmental Psychology from the University of Oxford (England), and completed a post-doctorate at the University of Sussex (England). Her investigations deal with the following topics: psychology of mathematics education with emphasis on the development of complex mathematical concepts (such as proportion, chance, fractions, combinatorial reasoning), number sense in children, children's knowledge about texts of different genres, development of textual awareness, textual production and comprehension of narrative, expository and argumentative texts in children. Some of her research studies examine the relations between learning and cognitive development, extracting educational implications for the elementary school years.



Sintria Labres Lautert is an Associate Professor in the Department of Psychology and in the Post-Graduate Program in Cognitive Psychology at the Federal University of Pernambuco, Brazil. Coordinator of the Working Group in Psychology of Mathematics Education of the National Association for Research and Post-Graduate Programs in Psychology (ANPEPP, 2010-2020), Brazil and one of the leaders of the Group for Research in Psychology of Mathematical Education (NUPPEM), Brazil. She received a master's degree and a Ph.D. in Cognitive