Results of the test phase of the two single-movement response variations of Experiment 2.

<p>The observed means (with 95% CI) for the two types of response latency measured in Experiments 2A and 2B as a function of S-R Compatibility of the trials. The values of the means, confidence intervals and size of the Compatibility Effect (CE) are reported in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054094#pone.0054094.s001" target="_blank">Table S1</a>. In Experiment 2A participants had to press and hold down the correct key upon stimulus presentation, in Experiment 2B participants had to release the correct key upon stimulus presentation.