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Data replication matters to an underpowered study, but replicated hypothesis corroboration counts

Published online by Cambridge University Press:  27 July 2018

Erich H. Witte  and
Frank Zenker
Erich H. Witte
Affiliation:
Institute for Psychology, University of Hamburg, 20146 Hamburg, Germany. [email protected]://www.psy.uni-hamburg.de/personen/prof-im-ruhestand/witte-erich.html
Frank Zenker
Affiliation:
Departments of Philosophy and Cognitive Science, Lund University, SE-221 00 Lund, Sweden. [email protected]://www.fil.lu.se/en/person/FrankZenker/
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Abstract

Before replication becomes mainstream, the potential for generating theoretical knowledge better be clear. Replicating statistically significant nonrandom data shows that an original study made a discovery; replicating a specified theoretical effect shows that an original study corroborated a theory. Yet only in the latter case is replication a necessary, sound, and worthwhile strategy.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 41 , 2018 , e156
Copyright
Copyright © Cambridge University Press 2018 

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