Where the 'bad' and the 'good' go: A multi-lab direct replication report of Casasanto (2009, Experiment 1)

Mem Cognit. 2024 Sep 23. doi: 10.3758/s13421-024-01637-1. Online ahead of print.

Abstract

Casasanto (Journal of Experimental Psychology: General, 138, 351-367, 2009) conceptualised the body-specificity hypothesis by empirically finding that right-handed people tend to associate a positive valence with the right side and a negative valence with the left side, whilst left-handed people tend to associate a positive valence with the left side and negative valence with the right side. Thus, this was the first paper that showed a body-specific space-valence mapping. These highly influential findings led to a substantial body of research and follow-up studies, which could confirm the original findings on a conceptual level. However, direct replications of the original study are scarce. Against this backdrop and given the replication crisis in psychology, we conducted a direct replication of Casasanto's original study with 2,222 participants from 12 countries to examine the aforementioned effects in general and also in a cross-cultural comparison. Our results support Casasanto's findings that right-handed people associate the right side with positivity and the left side with negativity and vice versa for left-handers.

Keywords: Big team science; Body-specificity hypothesis; Conceptual mapping; Embodied cognition; Handedness; Social cognition; Space–valence association.