Factors Influencing Interpersonal Attraction

Interpersonal attraction is a key area of study within social psychology, focusing on what leads individuals to form relationships with one another. Several theories and factors contribute to understanding why some people are attracted to each other. These factors include physical attractiveness, similarity, reciprocity, proximity, and more. In an experiment exploring the importance of similarity in interpersonal attraction, participants rated potential romantic partners based on various characteristics. What factor is most likely to emerge as a significant predictor of attraction according to social psychological research?