Fig. 4.

Effect of the order of conditions in Experiment 2. a Reduced variability in the joint intentional and joint unintentional conditions was found when participants performed the individual condition first. b Responses were also faster in the joint conditions in participants starting with the individual condition. c Variability was not reduced when participants performed the joint condition first. d Also, the reaction times were not reduced in participants starting with the joint condition. Error bars display within-subject confidence intervals (Loftus and Masson 1994)