Altman and Taylor’s (1973) Social Penetration Theory predicts that as relationships develop, they change in which two dimensions?

The signal amplification bias occurs when:

Attractiveness, age, and other physical attributes, are known as _____ by researchers who study online relationship formation.

For some couples, cohabitation may function as:

Greg is a very extraverted person – he is outgoing, warm, and highly social. According to the Actor–Partner Interdependence Model, Greg’s extraversion would be considered:

Most relationship scholars locate the very beginning of a relationship as the moment in which:

Levinger’s (e.g., 1965) Marital Cohesiveness Model proposes that relationship stability is a function both of _____ and _____.

The absence of a close emotional attachment produces _____, whereas the absence of an engaging social network produces _____.

In the U.S., the Defense of Marriage Act:

Many relationship scientists now believe that the most important feature of our species’ evolutionary heritage is selection for: