Design of model cognitive flexibility based on Trend Analysis of Changes of Life Cycle in demanding couples of divorce

The Present study aimed to Design model cognitive flexibility based on Trend Analysis of Changes of Life Cycle in divorcing couples. Methodology was descriptive- correlation. Statistical population was demanding couples of divorce referring to family court in 2018 in East Azerbaijan, Iran. Using a purposeful sampling method, 200 couples (400 participants) who met the inclusion criteria were selected. Research tools were questionnaire of Dennis & Vander Wal’s (1978) cognitive flexibility. Collected data were analysed using Structural Equation Modeling and path analysis. Finding showed that Changes of cognitive flexibility in Life Cycle of demanding couples of divorce is significant. The most cognitive flexibility related to stages of getting engagement and no child. cognitive flexibility decrease after entrancing first child and the least cognitive flexibility related to adolescence and again increase in empty nest (P<0.01). The results of research provide some evidence to suggest that there is a curvilinear relationship between cognitive flexibility of spouses and family Life Cycle. Therefore, was suggested that couples pay attention to social skills training for adolescents and after that reconstruct their relationships with others. Keywords: Life Cycle, Divorce, Cognitive flexibility.