Dealing with new members: Team members' reactions to newcomer's attractiveness and sex.

We examine how team members respond to the inclusion of new members' physical attractiveness and sex. Drawing on Social Exchange Theory, we argue and show that incumbent team members engage in three behaviors (mimicry, ingratiation, and challenging) in response to the inclusion of more or less attractive male or female members in their team. Using a multilevel experimental design, we show that existing team members mimic newcomers who are higher on physical attractiveness and that the effect is more pronounced when there is a sex match (i.

Culture and Patterns of Reciprocity: The Role of Exchange Type, Regulatory Focus, and Emotions.

Reciprocity is a fundamental mechanism for sustained social relationships. Escalation-based theories suggest that reciprocity intensifies over time. In contrast, equity-based theories propose that people reciprocate behaviors in kind.