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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Exp Clin Psychopharmacol. 2014 Jan 27;22(3):211–221. doi: 10.1037/a0035318

Table 3.

Means and Standard Errors for the Relative Reinforcement Efficacy (RRE) of Marijuana

RRE Indices Estimates SE
Breakpoint – observed 38.07 5.29
Intensity of Demand – observed 14.76 2.35
Intensity of Demand – derived 10.16 1.37
Omax – observed 139.09 44.69
Omax – derived 46.63 6.46
Pmax – observed 36.64 6.96
Pmax – derived 13.21 0.69
Elasticity of Demand −1.75 0.09

Note. N = 59.