Final answer:
The ratio of positive to negative interactions for couples that report satisfaction is approximately 5:1, indicating that five positive interactions are needed for every negative one to maintain relationship satisfaction.
Step-by-step explanation:
According to the research positive and negative interactions for couples that report satisfaction, there is a well-known ratio.
This ratio suggests that for couples to maintain a sense of happiness and fulfillment in their relationship, the number of positive interactions must greatly outweigh the negative ones.
Therefore, the ratio of positive to negative interactions for a satisfied couple is 5:1.