It’s been repeated somewhat. Joseph Henrich explains his methodology in his paper here. He used UCLA grad students because of their similar community closeness, offering $160 (2.3 days of wages) vs 20 soles, which is supposedly the Machiguenga equivalent. It was compared to tests done by another group in other non-western locations (Tokyo and Java), which show similar results to those of the UCLA students.
It’s been repeated somewhat. Joseph Henrich explains his methodology in his paper here. He used UCLA grad students because of their similar community closeness, offering $160 (2.3 days of wages) vs 20 soles, which is supposedly the Machiguenga equivalent. It was compared to tests done by another group in other non-western locations (Tokyo and Java), which show similar results to those of the UCLA students.