More accurately would be "What happens when you socially isolate children for 8 hours". The social isolation part is probably the most important aspect of the

More accurately would be "What happens when you socially isolate children for 8 hours". The social isolation part is probably the most important aspect of the study. I'll bet you that if it only limited modern technology, but allowed the participants to interact with people, we would get totally different results. I think it's quite easy to forego technology for longer periods - you often do that on vacations, to give an example.