Table 4.

Zero-order correlations between EEfRT average number of clicks and trait variables

Trait variable	Reward probability
	12%	50%	88%
BAS	0.212**	0.124	0.103
BIS	−0.081	0.081	0.052
Extraversion	0.193**	0.051	0.054
Openness	0.159*	0.039	0.024
Conscientiousness	0.113	0.033	0.023
Neuroticism	−0.093	0.072	0.062
Agreeableness	−0.052	0.035	−0.016

Note. EEfRT = Effort Expenditure for Rewards Task; BAS = behavioral activation system; BIS = behavioral inhibition system scale; significant effects in bold. * p < .05 ** p < .01.