This special issue appears as the November issue of JRST (57n9).

The special issue was guest-edited by Knut Neumann (Leibniz-Institute for Science and Mathematics Education, Kiel, Germany) and Noemi Waight (University at Buffalo, State University of New York).

The Guest Editors invite reader criticism and comments, which may be submitted in APA format through the JRST ScholarOne Manuscript System portal between October 20 and December 20, 2020. Comments and responses meeting JRST editorial standards for quality will then be published together, along with author rejoinders, in a Spring 2021 issue of JRST.