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August 16, 2026EmotionOpen Access

The Limpopo facial emotion stimulus set: Locally validated stimuli for emotion research in sub-Saharan Africa.

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Authors

EKEmma J. KilfordSFSophie L. FielmannTBTlangelani Baloyi

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Overview

Validation study demonstrates high rater agreement for a culturally tailored 131-image emotional expression set in South African students, highlighting tools to improve ecological validity.

Key Points

  • To validate a culturally tailored stimulus set of facial emotion photographs featuring Black African models for psychological and cognitive research in sub-Saharan Africa.
  • Selected 206 facial expression photographs posed by Black African models from the Racially Diverse Affective Expression dataset.
  • Collected emotion recognition ratings from 54 students at the University of Limpopo, South Africa in 2020.
  • Applied a 75% rater agreement threshold to refine the rated photos into a final recommended open-access stimulus set.
  • Identified 131 facial expression images meeting the ≥75% agreement threshold to establish the Limpopo facial emotion stimulus set.
  • Demonstrated high recognition rates for intended expressions and robust psychometric consistency across raters.

Cite This Study

Kilford et al. (2026) studied this question.

synapsesocial.com/papers/6a81794cf2fb91fc834ac79dhttps://doi.org/10.1037/emo0001698
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