Harry Harlow and the Monkey Experiment on Youtube

Below are early television reports on two experiments conducted by Harry Harlow himself.
In the first, Harry describes the basics of the experiment. In the second, he extends it to show the effect of scaring the monkey.
Needless to say, modern ethics would prevent an experiment such as this taking place today.

Harry Harlow's Monkey Experiment


Harry Harlow Scaring a Monkey