Animal Studies Designed to Measure the Reward Value of GHB

Animal studies designed to measure the reward value of GHB

A) have been reliably consistent with human studies.
B) have shown positive findings in self-administration paradigms but not place-conditioning tasks.
C) have found even stronger evidence for the reinforcing effects of GHB than in human studies.
D) are inconsistent, with rodents showing positive findings and baboons demonstrating variable results.