Do we fail to exert self-control because we lack resources or motivation? Competing theories to explain a debated phenomenon

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Do we fail to exert self-control because we lack resources or motivation? Competing theories to explain a debated phenomenon. / Troll, Eve Sarah; Friese, Malte; Loschelder, David D.
in: British Journal of Social Psychology, Jahrgang 62, Nr. 2, 04.2023, S. 782-805.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{4ba1c8da00d24c969703dcab8652abf8,
title = "Do we fail to exert self-control because we lack resources or motivation? Competing theories to explain a debated phenomenon",
abstract = "Exerting effort in a first task can impair self-control performance in a subsequent task. Hundreds of studies have examined this ego depletion effect, but the underlying mechanisms are still unknown. By contrasting the two most prominent models, the strength model and the process model, the following question takes centre stage: Do participants fail to exert self-control because they run short of an unspecified resource or because they lack the motivation to engage in the subsequent task? We contrasted competing predictions (N = 560) from these two models by manipulating monetary incentives to be donated to charity in the first of two tasks. We found evidence of the standard ego depletion effect—self-control performance was impaired after a high- versus a low-demand task in the no-incentive conditions. Incentives had an unexpected effect: Whereas participants in the incentive conditions showed higher intrinsic, autonomous motivation, they did not exert greater effort. This unexpected finding limited the applicability of our registered predictions; thus, we opted to test updated predictions. We discuss the theoretical implications of our understanding of the processes underlying ego depletion effects and their meaning for the ongoing debate about replicability and robustness.",
keywords = "ego depletion, mental effort, monetary incentives, process model, self-control failure, strength model, Psychology",
author = "Troll, {Eve Sarah} and Malte Friese and Loschelder, {David D.}",
note = "Funding Information: The present research was supported by a grant from the German Research Foundation (DFG FR 3605/2‐1). We are very grateful to Constantin Tiberius Toth for his great help in programming the present study using the Gorilla software. Open Access funding enabled and organized by Projekt DEAL. Publisher Copyright: {\textcopyright} 2022 The Authors. British Journal of Social Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.",
year = "2023",
month = apr,
doi = "10.1111/bjso.12594",
language = "English",
volume = "62",
pages = "782--805",
journal = "British Journal of Social Psychology",
issn = "2044-8309",
publisher = "John Wiley & Sons Inc.",
number = "2",

}

RIS

TY - JOUR

T1 - Do we fail to exert self-control because we lack resources or motivation? Competing theories to explain a debated phenomenon

AU - Troll, Eve Sarah

AU - Friese, Malte

AU - Loschelder, David D.

N1 - Funding Information: The present research was supported by a grant from the German Research Foundation (DFG FR 3605/2‐1). We are very grateful to Constantin Tiberius Toth for his great help in programming the present study using the Gorilla software. Open Access funding enabled and organized by Projekt DEAL. Publisher Copyright: © 2022 The Authors. British Journal of Social Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.

PY - 2023/4

Y1 - 2023/4

N2 - Exerting effort in a first task can impair self-control performance in a subsequent task. Hundreds of studies have examined this ego depletion effect, but the underlying mechanisms are still unknown. By contrasting the two most prominent models, the strength model and the process model, the following question takes centre stage: Do participants fail to exert self-control because they run short of an unspecified resource or because they lack the motivation to engage in the subsequent task? We contrasted competing predictions (N = 560) from these two models by manipulating monetary incentives to be donated to charity in the first of two tasks. We found evidence of the standard ego depletion effect—self-control performance was impaired after a high- versus a low-demand task in the no-incentive conditions. Incentives had an unexpected effect: Whereas participants in the incentive conditions showed higher intrinsic, autonomous motivation, they did not exert greater effort. This unexpected finding limited the applicability of our registered predictions; thus, we opted to test updated predictions. We discuss the theoretical implications of our understanding of the processes underlying ego depletion effects and their meaning for the ongoing debate about replicability and robustness.

AB - Exerting effort in a first task can impair self-control performance in a subsequent task. Hundreds of studies have examined this ego depletion effect, but the underlying mechanisms are still unknown. By contrasting the two most prominent models, the strength model and the process model, the following question takes centre stage: Do participants fail to exert self-control because they run short of an unspecified resource or because they lack the motivation to engage in the subsequent task? We contrasted competing predictions (N = 560) from these two models by manipulating monetary incentives to be donated to charity in the first of two tasks. We found evidence of the standard ego depletion effect—self-control performance was impaired after a high- versus a low-demand task in the no-incentive conditions. Incentives had an unexpected effect: Whereas participants in the incentive conditions showed higher intrinsic, autonomous motivation, they did not exert greater effort. This unexpected finding limited the applicability of our registered predictions; thus, we opted to test updated predictions. We discuss the theoretical implications of our understanding of the processes underlying ego depletion effects and their meaning for the ongoing debate about replicability and robustness.

KW - ego depletion

KW - mental effort

KW - monetary incentives

KW - process model

KW - self-control failure

KW - strength model

KW - Psychology

UR - http://www.scopus.com/inward/record.url?scp=85141381666&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/1b6a1c41-b48d-301a-9625-894a87d6f632/

U2 - 10.1111/bjso.12594

DO - 10.1111/bjso.12594

M3 - Journal articles

C2 - 36329599

AN - SCOPUS:85141381666

VL - 62

SP - 782

EP - 805

JO - British Journal of Social Psychology

JF - British Journal of Social Psychology

SN - 2044-8309

IS - 2

ER -

DOI