3 ms·
https://en.m.wikipedia.org/wiki/Tryon%27s_Rat_Experiment https://en.m.wikipedia.org/wiki/Tryon%27s_Rat_Experiment
by Traubenfuchs 1y ago
https://en.m.wikipedia.org/wiki/Tryon%27s_Rat_Experiment https://en.m.wikipedia.org/wiki/Tryon%27s_Rat_Experiment