Abstract
ABSTRACT Boundary extension ocurrs when individuals shown a photograph later claim that a second presentation of the identical photograph shows a closer view than the photo they saw earlier. An open question is whether the phenomenon extends beyond Western samples so we assessed boundary extension in non-Western samples. Participants included adults recruited from coffee shops around Busan and Seoul, South Korea (n = 36), and around Beijing, China (n = 36). East Asian groups showed significant boundary extension, supporting the robustness of the phenomenon. To assess whether the size of boundary extension varied across Western and East Asian groups, we used the same recruitment method near Charlotte, NC (n = 36 for South Korean comparison and n = 36 for Chinese comparison). We found no differences across cultural groups. The demonstration of boundary extension in two distinct non-Western samples is consistent with the idea that boundary extension is a universal human phenomenon.
Published Version
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