Table 2.

Statistical output from Experiment 2.

	Model	df	AIC	BIC	logLik	Test	L.Ratio	p-value
Acquisition of methamphetamine self-administration
Baseline Model	1	6	1509.63	1527.28	−748.82
Adding Session Factor	2	7	1511.54	1532.13	−748.77	1 vs 2	0.09	0.77
Adding Lever Factor	3	8	1373.14	1396.67	−678.57	2 vs 3	140.40	0.00
Adding Session × Lever	4	9	1375.06	1401.54	−678.53	3 vs 4	0.08	0.78
The effect estrous on responding for methamphetamine (prior to dose-effect phase)
Baseline Model	1	4	1372.54	1384.31	−682.27
Adding Estrous Factor	2	5	1373.56	1388.27	−681.78	1 vs 2	0.98	0.32
The effect of bupropion on responding for methamphetamine
Baseline Model	1	5	436.99	445.43	−213.49
Adding Dose Factor	2	8	419.57	433.08	−201.79	1 vs 2	23.42	0.00
Adding Activity Factor	3	9	407.78	422.98	−194.89	2 vs 3	13.79	0.00
Adding Dose × Activity	4	12	410.90	431.17	−193.45	3 vs 4	2.88	0.41
The effect estrous on responding for methamphetamine (after dose-effect phase)
Baseline Model	1	4	614.79	623.43	−303.40
Adding Estrous Factor	2	5	616.65	627.44	−303.32	1 vs 2	0.15	0.70
The effect of bupropion on methamphetamine-triggered reinstatement
Baseline Model	1	5	301.20	307.29	−145.60
Adding Dose Factor	2	9	289.33	300.30	−135.67	1 vs 2	19.87	0.00
Adding Activity Factor	3	10	288.57	300.76	−134.29	2 vs 3	2.76	0.10
Adding Dose × Activity	4	14	291.73	308.80	−131.87	3 vs 4	4.84	0.30