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. Author manuscript; available in PMC: 2013 Jul 11.
Published in final edited form as: Psychopharmacology (Berl). 2009 Jan 14;204(2):213–225. doi: 10.1007/s00213-008-1451-x

Table 1.

Group mean of individual rat medians of IRT’s > 2.0 s for the indicated saline and drug conditions. Data are in seconds.

Saline 5.0 mg/kg d-amphetamine
DRL parameter (s) Mean SEM Mean SEM
24 25.05a 0.66 20.05c 1.68
72 67.19b 2.249 31.05d 2.20

Notes:

  1. Comparison a–b: F(1,14)=543.002, p<.001.
  2. Comparison c–d: F(1,14)=17.344, p=.001.
  3. Comparison a–c: F(1,7)=11.192, p=.012.
  4. Comparison b–d: F(1,7)=78.873, p<.001.