Two or three generations would be my guess

People’s habits are not usually driven by such long term thinking, but I think there’s a more fundamental thing you’re missing: People will continue to work as long as there is an advantage to working. In any well designed UBI system, those who are on UBI and continue to work will make more money than those on UBI alone, so most people will continue to work.

Not to mention that most people enjoy working as it gives them a sense of purpose.

I agree and disagree with you. These studies should be done with guaranteed payments for life. Otherwise it is just not representative.

I do believe that people would still work though. Personally I would like to do a useful job with real benefit to society, but the low pay makes it not feasible. I would still want to work part time at least instead of not at all.