The category of post-marital relationship, according to a research study by Ahrons, in which former spouses are not good friends but are civil and pleasant to each other is Cooperative Colleagues.
A research study by Ahrons challenged the presumption that characterized ex-spousal relationship as mistrustful and hostile in his Binuclear Family Research Project. The study evaluated the continuous personal and emotional involvement between former spouses and its link with perceived quality of the coparenting relationship. The study defined four types of post-marital relationships between ex-spouses: Fiery Foes, Angry Associates, Cooperative Colleagues, Perfect Pals. Cooperative colleagues were defined as former spouses not good friends but are civil and pleasant to each other.
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