Funding for this research was provided by:
Division of Behavioral and Cognitive Sciences (BCS-1632445)
John Templeton Foundation (58345)
Text and Data Mining valid from 2018-10-26
First Online: 26 October 2018
Compliance with ethical standards
: The authors would like to dedicate this paper to Stephen Kaplan (1936–2018).
: Martin Buschkuehl is employed at the MIND Research Institute, whose interest is related to this work and Susanne M. Jaeggi has an indirect financial interest in the MIND Research Institute. All other authors report no conflict of interest.