Table 7. .

Mixed Model Results for Affective Ratings Based on Challenge Level (Goal-completed Intervals Only, Experiment 1)

Predictors	Stress			Positive Affect
	Estimates	SE	p Value	Estimates	SE	p Value
Hard – easy	0.46	0.12	< .001***	−0.23	0.10	.023*
Average congruency	0.12	0.09	.159	0.01	0.10	.947
Scaled interval session num	−0.02	0.08	.782	−0.35	0.09	< .001***
Scaled interval block num	0.03	0.08	.746	0.08	0.09	.356

*p < .05

**p < .01.

***p < .001.