Testing the convergent validity, domain generality, and temporal stability of selected measures of people’s tendency to explore

Farid Anvari (), Stephan Billinger, Pantelis P. Analytis, Vithor Rosa Franco and Davide Marchiori ()
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Farid Anvari: University of Cologne
Stephan Billinger: University of Southern Denmark
Pantelis P. Analytis: University of Southern Denmark
Vithor Rosa Franco: São Francisco University
Davide Marchiori: University of Southern Denmark

Nature Communications, 2024, vol. 15, issue 1, 1-23

Abstract: Abstract Given the ubiquity of exploration in everyday life, researchers from many disciplines have developed methods to measure exploratory behaviour. There are therefore many ways to quantify and measure exploration. However, it remains unclear whether the different measures (i) have convergent validity relative to one another, (ii) capture a domain general tendency, and (iii) capture a tendency that is stable across time. In a sample of 678 participants, we found very little evidence of convergent validity for the behavioural measures (Hypothesis 1); most of the behavioural measures lacked sufficient convergent validity with one another or with the self-reports. In psychometric modelling analyses, we could not identify a good fitting model with an assumed general tendency to explore (Hypothesis 2); the best fitting model suggested that the different behavioural measures capture behaviours that are specific to the tasks. In a subsample of 254 participants who completed the study a second time, we found that the measures had stability across an 1 month timespan (Hypothesis 3). Therefore, although there were stable individual differences in how people approached each task across time, there was no generalizability across tasks, and drawing broad conclusions about exploratory behaviour from studies using these tasks may be problematic. The Stage 1 protocol for this Registered Report was accepted in principle on 2nd December 2022 https://doi.org/10.6084/m9.figshare.21717407.v1 . The protocol, as accepted by the journal, can be found at https://doi.org/10.17605/OSF.IO/64QJU .

Date: 2024
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DOI: 10.1038/s41467-024-51685-z

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