Table 2.

Generalizability study results for cortisol parameters

		Study 1			Study 2
	Variance due to:	Diurnal slope	Mean	AUC	Diurnal slope	Mean	AUC
Person	Differences between people	10.6%	23.5%	19.2%	10.8%	27.6%	11.4%
Occasion	Differences between occasions	0.3%	2.3%	0.8%	0%*	2.5%	0.5%
Day	Differences between days	0.0%	1.1%	0%*	0%*	0.3%	0%*
Person*Occasion	Occasion effects different for different people	13.9%	32.1%	26.0%	20.0%	28.6%	27.5%
Person*Day	Day effects different for different people	0.5%	0%*	1.3%	0.0%*	0.6%	0%*
Occasion*Day	Day effects different for different occasions	0%*	0.1%	0%*	1.8%	0.6%	0.2%
Person*Occasion*Day, Error	Idiosyncratic differences and error	74.7%	41.1%`	52.7%	67.5%	40.1%	60.4%

^*Small negative variance estimate set to 0.

Note: AUC = area under the curve