Table 2. Timing and Impulsivity Measures for the Natural and Built Conditions.

	Natural Condition
	P #	Average Proportion Long Response	Scale Long Task -Time "flew" (1) or "dragged" (5)	Numerical Estimate Task (Estimation of Session Length in Minutes)	Actual Session Time (Minutes)	AUC	k
	1	0.365	5	45	22.25	0.995	0.000
	2	0.651	4	30	23.65	0.689	0.003
	3	0.492	5	15	23.58	0.682	0.004
	4	0.460	3	30	22.14	0.190	0.098
	5	0.587	3	35	26.13	0.019	1.957
	6	0.492	3	30	26.3	0.996	0.000
	7	0.619	3	15	27.63	0.795	0.001
	8	0.683	4	35	24.35	0.780	0.003
	9	0.540	2	35	24.5	0.048	0.485
	10	0.651	3	40	23.78	0.284	0.172
	11	0.460	2	30	23.45	0.718	0.003
	12	0.429	4	30	23.43	0.350	0.022
	13	0.508	4	35	23.53	0.217	0.185
	14	0.635	4	20	22.24	0.070	1.896
	15	0.476	3	25	21.69	0.547	0.009
	16	0.587	3	30	26.31	0.747	0.002
	17	0.524	4	40	28.18	0.093	0.805
	18	0.476	3	40	21.76	0.281	0.050
	19	0.556	5	30	23.49	0.429	0.017
	20	0.524	3	30	23.66	0.044	0.311
	21	0.317	2	40	22.36	0.467	0.011
	22	0.429	4	35	26.13	0.427	0.013
Mean		0.52	3.45	31.59	24.12	0.45	0.27
SD		0.09	0.91	7.77	1.89	0.31	0.57
	Built Condition
	P #	Average Proportion Long Response	Scale Long Task -Time "flew" (1) or "dragged" (5)	Numerical Estimate (Estimation of Session Length in Minutes)	Actual Session Time (Minutes)	AUC	k
	23	0.383	5	15	22.38	0.451	0.101
	24	0.432	3	20	21.59	0.015	5.738
	25	0.573	2	20	24.21	0.092	0.777
	26	0.547	4	25	22.16	0.965	0.000
	27	0.519	2	22	24.34	0.011	3.267
	28	0.432	4	25	28.41	0.021	1.799
	29	0.534	3	25	22.66	0.138	0.480
	30	0.421	3	27	22.3	0.022	2.222
	31	0.529	3	25	28.33	0.354	0.027
	32	0.472	3	25	23.45	0.101	1.815
	33	0.468	3	25	21.84	0.027	0.477
	34	0.618	4	35	23.62	0.921	0.001
	35	0.442	2	20	22.3	0.052	0.386
	36	0.625	3	40	24.33	0.092	0.283
	37	0.716	5	28	28.26	0.202	0.138
	38	0.571	2	20	21.73	0.044	0.528
	39	0.634	3	45	21.97	0.153	0.270
	40	0.335	3	30	21.66	0.125	0.925
	41	0.553	2	25	22.26	0.226	0.026
	42	0.512	3	20	24.42	0.999	0.000
	43	0.577	3	30	28.2	0.053	0.706
Mean		0.52	3.10	26.05	23.83	0.24	0.95
SD		0.09	0.89	7.07	2.41	0.32	1.40