As a marketing major, stan is a collegiate member of the american marketing association. this association holds a collegiate conference every year, and he did attend it one year. while this is a group he belongs to, his ties to other members are relatively weak, and his interaction is infrequent. which type of group is this?

Secondary groups

Explanation:

Secondary groups are large groups with impersonal and objective-oriented relationships.  

Individuals in a secondary group communicate with each other on a less personal level than in a  other groups, and their partnerships are usually more casual than long term.

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