title: Progress and current challenges with the quantum similarity model.
authors.affiliation: Department of Psychology, City University London London, UK.
authors.forename: Emmanuel M
authors.initials: EM
authors.lastname: Pothos
authors.affiliation: Department of Psychology, City University London London, UK.
authors.forename: Albert
authors.initials: A
authors.lastname: Barque-Duran
authors.affiliation: Department of Psychology, City University London London, UK.
authors.forename: James M
authors.initials: JM
authors.lastname: Yearsley
authors.affiliation: Department of Cognitive Sciences, University of California, Irvine Irvine, CA, USA.
authors.forename: Jennifer S
authors.initials: JS
authors.lastname: Trueblood
authors.affiliation: Department of Psychological and Brain Sciences, Indiana University Bloomington, IN, USA.
authors.forename: Jerome R
authors.initials: JR
authors.lastname: Busemeyer
authors.affiliation: Department of Psychology, City University London London, UK.
authors.forename: James A
authors.initials: JA
authors.lastname: Hampton
keywords: diagnosticity; metric axioms; quantum probability theory; similarity; similarity judgment; symmetry