Table 1. Means, standard deviations, intra-class correlations and correlations for trait neuroticism, state neuroticism, task performance, and task complexity (Study 1).

	M	SD	ICCperson	ICCday	1.	2.	3.
1. Trait neuroticism	2.76	.63	1.00	-
2. State neuroticism	2.03	.76	.50	.50	.41**
3. Task performance	5.67	.73	.23	.77	−.14	−.66**
4. Task complexity	3.77	1.67	.25	.75	−.30†	.11	−.10

**p<.01;

*p<.05;

^†p<.10. All variables were person-centered before computing the correlations.