I guess the good Rev missed the "Accidential" part.
It wasn't set up as an experiment, it was a "reality" show.
All of these people were volunteers. They had to ask to be part of this show, and rough idea of what it was prior to signing up. (This wasn't the first in the series). So yes, there was some selection bias to get what the producers thought was the "right" mix. And probably just about the right mix of various personalities for the "accidental" part of the experiment.
Repeatable? Probably. If you take the average (there are many exceptions) female from any western culture you would probably get the same results. Women work by consensus. I heard it when I was on chemo and my ex- worked from home. The group she worked with was primarily female. She would be on conference calls (on speakerphone) FOR DAYS discussing the same topic/issue over, and over, and over, and over again. I could hear the frustration of the two lone males in the group, but until everyone, and I mean EVERYONE, was on board or they managed to work out a compromise they all could agree on, nothing happened.
I remember one time they were trying to figure out how to handle a problem and after 8 hours of discussion they finally agreed on a course of action. They then asked if everyone agreed.
"Bob, we haven't heard from you today on this."
"Yeah, that's because I went and solved it by doing X, Y, and Z about 4 hours ago. So it's done."
They lit into him for how dare he solve it when not everyone agreed with what he did.
"To bad, it's done. Can we move on now."
I almost peed myself I was laughing so hard.
My ex- was pissed. Both at him and me.