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There is no generalizability crisis
Daniël Lakens1, Duygu Uygun Tunç2, Mehmet Necip Tunç3
1Human-Technology Interaction Group, Eindhoven University of Technology, Atlas 9.402, 5600BM, Eindhoven, The NetherlandsD.Lakens@tue.nlhttps://sites.google.com/site/lakens2.
The Behavioral and Brain Sciences
|February 10, 2022
Summary
Yarkoni
Area of Science:
- Psychology
- Research Methodology
Background:
- Established methods for evaluating generalizability include falsificationist and confirmationist approaches.
- Yarkoni proposes a new approach, neo-operationalism, to address a perceived crisis in generalizability.
Purpose of the Study:
- To evaluate the viability of Yarkoni's neo-operationalism for assessing psychological concept generalizability.
- To critique Yarkoni's diagnosis of a generalizability crisis in psychology.
Main Methods:
- Conceptual analysis of Yarkoni's neo-operationalism.
- Examination of the relationship between hypothetical concepts and their operationalizations in psychology.
Main Results:
- Yarkoni's neo-operationalism is unworkable for hypothetical psychological concepts.
- The universe of operationalizations cannot be exhaustively defined.
- Hypothetical concepts are not reducible to their operationalizations.
Conclusions:
- Yarkoni's proposed approach, neo-operationalism, is fundamentally flawed for psychological research.
- The critique concludes that Yarkoni's diagnosis of a generalizability crisis is incorrect.
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