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Adeyemi Adetula, Patrick S. Forscher, Dana M. Basnight-Brown, Jordan Wagge, Wickson Thomas Kaliyapa, Chamkat Gopye Polycarp...IJzerman, H. (2026). The Evaluation of Harm and Purity Transgressions in Africans: A Paradigmatic Replication of Rottman and Young (2019). Advances in Methods and Practices in Psychological Science. 9 (2)

A. Adetula et al.,  "The Evaluation of Harm and Purity Transgressions in Africans: A Paradigmatic Replication of Rottman and Young (2019)", in Advances in Methods and Practices in Psychological Science, vol. 9, no. 2, 2026

@article{adetula2026_1777268082259,
	author = "Adeyemi Adetula and Patrick S. Forscher and Dana M. Basnight-Brown and Jordan Wagge and Wickson Thomas Kaliyapa and Chamkat Gopye Polycarp and Winfrida Saimon Malingumu and Soufian Azouaghe and Soufian Azouaghe and Lenah Sambu and Izuchukwu L. G. Ndukaihe and Gabriel Agboola Adetula and Abdelilah C. A. Charyate and Chisom Esther Ogbonnaya and Nwadiogo Chisom Arinze and Olawuyi Patience Shumiye and David Beshel Jack and Nestor Motemba Ouoba and Bukola Victoria Bada and Ahmed Khaoudi and Jaime Nhaguilunguana and Uba Donald Dennis and Asiya Ayoob and Agbasoga Vivian Idu and Yusuf Elson Dinala and Abdulfatai Olalekan Adeyefa and Michael Ibukun Ehinmowo and Amarachi Uchechi Janice Imonigie and Glory Wuraola Agboola and Habila Alfred Daktong and Bisan Musa and Jamal Elouafa and Mohamed Boua and Mohamed Kaddouri and Bako Joseph Dongkek and Houda Grimli and Lamya Mouhssine and Hicham Eddamnati and Teodote Matimbe and Daniela Rocha IJzerman and Anne W. Muchiri-Muchai and Arriaga, P. and Maximilian A. Primbs and IJzerman, H.",
	title = "The Evaluation of Harm and Purity Transgressions in Africans: A Paradigmatic Replication of Rottman and Young (2019)",
	journal = "Advances in Methods and Practices in Psychological Science",
	year = "2026",
	volume = "9",
	number = "2",
	doi = "10.1177/25152459261428031"
}

TY  - JOUR
TI  - The Evaluation of Harm and Purity Transgressions in Africans: A Paradigmatic Replication of Rottman and Young (2019)
T2  - Advances in Methods and Practices in Psychological Science
VL  - 9
IS  - 2
AU  - Adeyemi Adetula
AU  - Patrick S. Forscher
AU  - Dana M. Basnight-Brown
AU  - Jordan Wagge
AU  - Wickson Thomas Kaliyapa
AU  - Chamkat Gopye Polycarp
AU  - Winfrida Saimon Malingumu
AU  - Soufian Azouaghe
AU  - Soufian Azouaghe
AU  - Lenah Sambu
AU  - Izuchukwu L. G. Ndukaihe
AU  - Gabriel Agboola Adetula
AU  - Abdelilah C. A. Charyate
AU  - Chisom Esther Ogbonnaya
AU  - Nwadiogo Chisom Arinze
AU  - Olawuyi Patience Shumiye
AU  - David Beshel Jack
AU  - Nestor Motemba Ouoba
AU  - Bukola Victoria Bada
AU  - Ahmed Khaoudi
AU  - Jaime Nhaguilunguana
AU  - Uba Donald Dennis
AU  - Asiya Ayoob
AU  - Agbasoga Vivian Idu
AU  - Yusuf Elson Dinala
AU  - Abdulfatai Olalekan Adeyefa
AU  - Michael Ibukun Ehinmowo
AU  - Amarachi Uchechi Janice Imonigie
AU  - Glory Wuraola Agboola
AU  - Habila Alfred Daktong
AU  - Bisan Musa
AU  - Jamal Elouafa
AU  - Mohamed Boua
AU  - Mohamed Kaddouri
AU  - Bako Joseph Dongkek
AU  - Houda Grimli
AU  - Lamya Mouhssine
AU  - Hicham Eddamnati
AU  - Teodote Matimbe
AU  - Daniela Rocha IJzerman
AU  - Anne W. Muchiri-Muchai
AU  - Arriaga, P.
AU  - Maximilian A. Primbs
AU  - IJzerman, H.
PY  - 2026
SN  - 2515-2459
DO  - 10.1177/25152459261428031
AB  - Improving the generalizability of psychology findings to a culture requires sampling participants in that culture. Yet psychology studies rarely sample from Africa even though Africa represents 17% of the global population. Although Africans can leverage the credibility-revolution initiatives to increase rigor and global representation, capacity building might speed the spread of these initiatives. In this study, we investigated an African-wide replication study to test whether Rottman and Young’s “mere-trace” hypothesis of moral reasoning (that people are more sensitive to the dosage of harm-based transgressions than purity transgressions) extends to several African communities. We used a training method developed by the Collaborative Replication and Education Project to train 23 African collaborators. During this process, we conducted a paradigmatic replication of Rottman and Young’s test of the mere-trace hypothesis in 12 contributing African sites from Burkina Faso, Kenya, Morocco, Nigeria, and Tanzania that sampled 783 participants after exclusions. Consistent with the original claim using U.S. samples, our African participants judged severe harm transgressions as more wrong than less severe ones but were not as sensitive to severity for purity transgressions (Domain × Dose: b = −4.63; p < .01). Moreover, the effect of dosage was smaller than reported among the U.S. sample, and our African participants rated all transgression scenarios more wrong than the U.S. sample. Resource constraints limited our sample to five African countries and to Africans dwelling in urban communities. Moral psychology should transcend the moral issues prioritized in the original study to include those considered important in African societies.
ER  -