I’m glad a other teacher in another generation did this experiment. Today a teacher would be fired for this, and rightly so. This is one of many reasons we have tight controls regarding research and experimenting on people.
Discussion Decorum: Participants will treat each other with respect. When disagreeing or debating, focus comments on the facts and training content, not personalities. No personal attacks. Purposefully rude or derogatory language will not be tolerated.