title: Corrigendum to ''Non-formal mechanisms in mathematical cognitive development: The case of arithmetic'' [Cognition 149 (2016) 40-55].
authors.affiliation: Carnegie Mellon University, Pittsburgh, PA, United States. Electronic address: baixiwei@gmail.com.
authors.forename: David W
authors.initials: DW
authors.lastname: Braithwaite
authors.affiliation: Indiana University, Bloomington, IN, United States.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Goldstone
authors.affiliation: University of Amsterdam, Amsterdam, Netherlands.
authors.forename: Han L J
authors.initials: HLJ
authors.lastname: van der Maas
authors.affiliation: Indiana University, Bloomington, IN, United States.
authors.forename: David H
authors.initials: DH
authors.lastname: Landy