The phrase "dyadic adjustment" refers to how well two people or partners in a relationship get along and understand each other. It involves their ability to communicate, resolve conflicts, and support each other emotionally. Full definition
The results also showed that the more love (i.e. high score of love), satisfaction (i.e. high score of dyadic adjustment) and couple cultural identity (i.e. high score of women's acculturation to the partner and low scores of couple's individualism / collectivism), the more the personal commitment of the women. (interpersona.psychopen.eu)
It has been found that parents of these children experience marital difficulties, report lower satisfaction with their marriage and exhibit poorer dyadic adjustment in comparison to parents with children without any disability [32]. (journals.plos.org)
Preliminary validation of the abbreviated Spanier dyadic adjustment scale: Some psychometric data regarding a screening test of marital adjustment (cambridge.org)