Final answer:
Judgments or social cognitions about the motivations of a partner's behavior can be best described as attributions.
Step-by-step explanation:
Judgments or social cognitions about the motivations of a partner's behavior can be best described as attributions. Attributions refer to the explanations we make about the causes of behavior, whether it is due to internal dispositions or external situational factors. When we attribute the motivations of a partner's behavior, we are making judgments or forming social cognitions about why they acted in a certain way.