There are two quasi-replications, which mostly failed to replicate the major results Calhoun so sketchily described in his few research publications on Mouse Ut

There are two quasi-replications, which mostly failed to replicate the major results Calhoun so sketchily described in his few research publications on Mouse Utopia: Kessler 1966 and Hammock 1971. See https://gwern.net/mouse-utopia#kessler-1966 https://gwern.net/mouse-utopia#kessler-1966 for fulltext and discussion.