Identifying decision-making style: Do REI-20 and GDMS measure the same?

Tomasz Wachowicz (), Ewa Roszkowska () and Marzena Filipowicz-Chomko ()
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Tomasz Wachowicz: University of Economics in Katowice
Ewa Roszkowska: Bialystok University of Technology
Marzena Filipowicz-Chomko: Bialystok University of Technology

DECISION: Official Journal of the Indian Institute of Management Calcutta, 2023, vol. 50, issue 4, No 3, 415-437

Abstract: Abstract The paper aims to study relationships between results obtained by two instruments, the rational-experiential inventory, in its modified version named REI-20, and the general decision-making style (GDMS). Although both instruments differ in concept and construction of decision styles, they refer to two very similar constructs—rationality and experientiality or intuition, resulting from the dual concept of cognitive-experiential self-theory. Using the same experimental sample, we examined the relationships between the REI-20 modes, i.e., rational and experiential, and GDMS modes, i.e., rational, intuitive, dependent, avoidant, and spontaneous. We checked how rational and experiential decision-making styles identified by REI-20 correspond to the rational and intuitive modes of GDMS. We also examined the relationships between clusters of decision-making profiles, defined as combinations of various levels of rational and intuitive/experiential modes determined from both instruments. Finally, we analyzed the gender differences between the styles identified by both inventories. The between-tool analysis showed that rationality determined from REI-20 and GDMS correlate only weakly; however, the correlation between experientiality and intuitiveness is strong. Both tools produced inconclusive results when comparing gender differences. REI-20 differentiated significantly between genders, indicating that women are less rational and more experimental than men, while GDMS considered these differences insignificant. It implies that using a particular decision-making style inventory in advanced analyses of the process and outcomes of the decision-making requires exceptional caution as various tools may produce a different classification of decision-makers and lead to different, if not contradictory, conclusions.

Keywords: Decision-making style; Decision profile; Gender; Rational-experiential inventory; General decision-making style (search for similar items in EconPapers)
JEL-codes: C38 C83 C91 D91 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s40622-024-00373-4

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