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Examining Bilingual Language Control Using the Stroop Task
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Deliberate reasoning is not affected by language.

Martin Jensen Mækelæ1, Gerit Pfuhl1

  • 1Department of Psychology, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.

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|February 1, 2019
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Summary
This summary is machine-generated.

Using a second language does not enhance deliberate reasoning for non-emotional decisions. Cognitive effort and careful reading, not language context, predict better decision-making, regardless of time pressure.

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Area of Science:

  • Cognitive Psychology
  • Bilingualism Studies

Background:

  • Many individuals use a second language daily, prompting questions about its impact on decision-making.
  • Previous research suggests two potential mechanisms for a foreign language effect: reduced emotionality or increased deliberation.
  • Existing studies often use tasks where both mechanisms could influence outcomes, making it difficult to isolate the effect on deliberation.

Purpose of the Study:

  • To investigate whether using a second language or switching between languages increases deliberate reasoning for emotionally neutral problems.
  • To determine if language context, independent of emotional content, affects cognitive deliberation.

Main Methods:

  • Over 500 participants with English as a second language from Norway and the Netherlands were recruited.
  • Participants were randomly assigned to native, switching, or second language conditions.
  • Deliberate reasoning was assessed using cognitive reflection test items, ratio bias, probability matching, and base rate neglect tasks, alongside measures of perceived effort and confidence.

Main Results:

  • No significant increase in deliberate reasoning was observed when participants used their second language or switched between languages.
  • Performance on deliberate reasoning tasks was similar across all language conditions.
  • Age, gender, education, perceived effort, and confidence were significant predictors of deliberate reasoning, while language context was not.

Conclusions:

  • There is no inherent advantage of using a second language for deliberate reasoning in the absence of time constraints.
  • Deliberation is driven by cognitive effort and careful reading, rather than the language used for decision-making.
  • Language proficiency influenced reading time, with less proficient speakers spending longer on the material.