The British journal of social psychology
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Inter-judge agreement in the evaluation of attachment style was examined across different levels of acquaintanceship. A self-rating scale on attachment style was administered to 242 students. Then, 72 participants--25 avoidant, 25 secure, and 22 ambivalent--were invited to the laboratory in unacquainted same-sex pairs, videotaped during a five-minute conversation, and asked to rate the attachment style of their conversion partner. ⋯ In contrast, correlations with ratings by strangers based on videotaped interactions were low. This pattern of findings was observed in both discrete and continuous measures of attachment. The findings suggest that attachment style can be considered an observable interpresonal trait.