Daniella believes that behavior is shaped and molded within relationships, and that rewarding and punishing interactions affect future behavior and judgments of relationship satisfaction. with which relationship theory is this most consistent?

The relationship theory that is being described of what Daniella believes is the social learning theory. The social learning theory is the one responsible in pointing out that each individual can learn from one another base on modeling or even observation. With these interactions, these will likely affect the relationships of the people built. This theory is related to what Daniella believes.