Hamburger as a feedback model lets all parties off the hook too easily. At worst it gives a permission to flee the situation and not to confront the feedback at all.
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A Bigmouth and a Contemplator – Who Sets the Pace of the Conversation?
In Finnish language our word vuorovaikutus (interaction) reveals the nature of the act itself: vuoro means turn, and vuorovaikutus implies that interaction should indeed happen by taking turns, one by one.