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

In all but a small percentage of societies, the predominant form of marriage practiced by both men and women is:

In one early investigation conducted by Huston (1973), men were shown pictures of women of varying levels of physical attractiveness. Some of the men were told that each woman was available for a date, and some men were given no such reassurance. Men who were guaranteed a date tended to choose the most attractive women; the men who were not guaranteed a date selected less attractive women. This finding demonstrated that:

“True love can overcome any obstacle.” This statement reflects a(n):

Martin and Gina have been dating for a long time. They are attracted to each other and feel that they are very compatible in terms of their attitudes and values. Recently, they have begun to think about marriage and how suitable they would be as husband and wife. According to Murstein’s stage model, Gina and Martin are in the _____ stage of relationship development.

In the ancestral environment, an “appropriate” partner probably possessed:

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

Relationship scientists distinguish between subjective closeness and behavioral closeness. Define both of these constructs, and discuss differences in how each is measured. Is it possible to have one but not the other type of closeness in a particular relationship? Give an example to illustrate your answer.  

Kelley et al. (1983/2002) defined four important properties of partner’s interaction patterns that could be used to assess their degree of interdependence. These four properties are:

Baumrind (1983) observed that much of the research literature contained studies which drew causal inferences from correlational data. Describe: a) Why such inferences may be dangerous for relationship science (indeed, for any science); and b) What options are available to researchers to overcome this problem. Give specific examples.