The article reveals the relevance of crisis research at the level of positive and negative small informal groups. This is due to the need to create a full-fledged theory of group crises based on a comparative approach that allows them to formulate an adequate definition, structure and classification. The structure of both positive and negative criminal groups is characterized. The article considers a socio-psychological approach to crisis prevention at the group level, taking into account their belonging to one type or another.
ANATOLY SUKHOV (Wed,) studied this question.