Final answer:
Primary groups are intimate face-to-face associations characterized by close-knit relationships, cooperation, and informality. They serve emotional needs and include families. Secondary groups, on the other hand, are larger, more impersonal, and task-oriented, serving instrumental functions.
Step-by-step explanation:
Primary groups are intimate face-to-face associations characterized by close-knit relationships, cooperation, and informality. These groups serve emotional needs and are made up of individuals who have a significant impact on our socialization, such as family and close friends. Examples of primary groups include families. On the other hand, secondary groups are larger, more impersonal, and task-oriented. They serve instrumental functions rather than emotional ones, and examples include classrooms or offices.