A popular Organizational Develpment $($OD$)$ technique, Intergroup Development can be described as

A method of changing behavior through unstructured group interaction

A technique for assessing attitudes and perceptions, identifying discrepancies in thes, and resolving the differences by using survey

information in feedback groups. Changing the attitudes, stereotypes, and perceptions that work groups have about each other

Activities that help team members learn how each member thinks and works