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Replication: Revisiting Tversky and Shafir’s (1992) Disjunction Effect with an extension comparing between and within subject designs

Author

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  • Ziano, Ignazio
  • Kong, Man Fai
  • Kim, Hong Joo
  • Liu, Chit Yu
  • Wong, Sze Chai
  • Cheng, Bo Ley
  • Feldman, Gilad

Abstract

Does uncertainty about an outcome influence decisions? The sure-thing principle (Savage, 1954) posits that it should not, but Tversky and Shafir (1992) found that people regularly violate it in hypothetical gambling and vacation decisions, a phenomenon they termed “disjunction effect”. Very close replications and extensions of Tversky and Shafir (1992) were conducted in this paper (N = 890, MTurk). The target article demonstrated the effect using two paradigms in a between-subject design: here, an extension also testing a within-subject design, with design being randomly assigned was added. These results were consistent with the original findings for the “paying to know“ problem (original: Cramer’s V = 0.22, 95% (CI) [0.14, 0.32]; replication: Cramer’s V = 0.30, 95% CI [0.24, 0.37]), yet not for the “choice under risk” problem (original: Cramer’s V = 0.26, 95% CI [0.14, 0.39]; replication: Cramer’s V = 0.11, 95% CI [−0.07, 0.20]). The within-subject extension showed very similar results. Implications for the disjunction effect and judgment and decision-making theory are discussed, and a call for improvements on the statistical understanding of comparisons of between-subject and within-subject designs is introduced. All materials, data, and code are available on https://osf.io/gu58m/.

Suggested Citation

  • Ziano, Ignazio & Kong, Man Fai & Kim, Hong Joo & Liu, Chit Yu & Wong, Sze Chai & Cheng, Bo Ley & Feldman, Gilad, 2021. "Replication: Revisiting Tversky and Shafir’s (1992) Disjunction Effect with an extension comparing between and within subject designs," Journal of Economic Psychology, Elsevier, vol. 83(C).
    • Handle: RePEc:eee:joepsy:v:83:y:2021:i:c:s0167487020301070
    DOI: 10.1016/j.joep.2020.102350
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    Cited by:

    1. El Halabi, Malak & Chan, Wing Yan Florence & Tunca, Burak & Ziano, Ignazio & Feldman, Gilad, 2022. "Replication: Unsuccessful replications and extensions of Temporal Value Asymmetry in monetary valuation and moral judgment," Journal of Economic Psychology, Elsevier, vol. 90(C).

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