Table 2. Mean (SEM) Scores for Subjective Ratings and Cardiovascular Measures Averaged Across the Conditioning Sessions with Placebo or Methamphetamine.

	Placebo		MA
	Mean	SEM	Mean	SEM	T-value
Subjective effects
DEQ
Feel	18.21	1.91	46.85	2.71	12.55***
Like	20.89	2.52	62.51	3.35	12.68***
Dislike	23.81	2.67	25.49	2.43	0.533
High	11.08	1.7	35.57	3.01	9.223***
More	17.861	2.65	59.37	3.59	12.23***
POMS
Friendliness	−1.9	0.373	1.56	0.499	6.08***
Anxiety	−0.17	0.177	0.462	0.301	1.77
Elation	−1.25	0.281	2.676	0.366	8.87***
Anger	−0.242	0.186	−0.33	0.143	−0.384
Fatigue	1.18	0.303	−0.984	0.296	5.58***
Depression	−0.28	0.19	−0.566	0.22	−1.15
Confusion	0.571	0.221	−0.225	0.192	−2.87**
Vigor	−2.29	0.359	2.7	0.567	7.85***
Cardiovascular effects
Blood pressure	2.41	3.77	10.5	3.26	1.56
Heart rate	−7.25	1.01	4.84	0.27	8.74***

Abbreviations: DEQ, Drug Effects Questionnaire, POMS, Profile of Mood States. Blood pressure is represented as Mean Arterial Pressure.

Note: **p<0.01, and ***p<0.0001.