Intentional binding – Is it just causal binding? A replication study of Suzuki et al. (2019)

Intentional actions produce a temporal compression between the action and its outcome, known as intentional binding. However, Suzuki et al. (2019) recently showed that temporal compression can be observed without intentional actions. However, their results show a clear regression to the mean, which might have confounded the estimates of temporal intervals. To control these effects, we presented temporal intervals block-wise. Indeed, we found systematically greater compression for active than passive trials, in contrast to Suzuki et al. (2019). In our second experiment, our goal was to conceptually replicate the previous study. However, we were unable to reproduce their results and instead found more pronounced temporal compression in active trials compared to passive ones. In a subsequent attempt at a direct replication, we did not observe the same findings as the original study. Our findings reinforce the theory that intentions rather than causality cause temporal binding.

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