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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Int J Psychophysiol. 2020 Feb 4;151:25–34. doi: 10.1016/j.ijpsycho.2020.02.001

Figure 4. Effects of perceived task difficulty on the expected value of control and behavior.

Figure 4.

A) According to the EVC theory, higher perceived difficulty is predicted to decrease control intensity. B-C) In the lower range of expected task difficulty, positive mood (low expected difficulty) reduces the congruency sequence effect and switch cost in reaction times and in error rates. D-E) In the upper range of expected task difficulty, positive mood (low expected difficulty) increases congruency sequence effect and switch cost in reaction times and in error rates.