This sounds partially true, but I think optimism helps people get started on things even in the absence of groups. Replace “group commitment” by “your own commitment” and “telling other people” by “self-deception” and it still should work.
This sounds partially true, but I think optimism helps people get started on things even in the absence of groups. Replace “group commitment” by “your own commitment” and “telling other people” by “self-deception” and it still should work.