Table 16. .

Mixed Model Results for Affective Ratings Based on Challenge Level, Reward, and Goal Completion (Experiment 2)

Predictors	Stress			Positive Affect
	Estimates	SE	p Value	Estimates	SE	p Value
Hard – easy	0.38	0.15	.015*	0.07	0.16	.657
High reward – low reward	0.08	0.14	.550	−0.20	0.15	.185
Interval goal completion	−1.56	0.27	< .001***	3.16	0.32	< .001***
Average congruency	−0.02	0.03	.646	0.05	0.03	.180
Scaled interval session num	−0.23	0.03	< .001***	−0.12	0.03	< .001***
Scaled interval block num	0.04	0.03	.202	−0.07	0.03	.046*
Challenge × reward	0.01	0.14	.958	0.09	0.15	.537
Challenge × interval goal completion	−0.13	0.15	.393	−0.13	0.16	.424
Reward × interval goal completion	0.05	0.14	.733	0.36	0.16	.022*

*p < .05

**p < .01.

***p < .001.