Аннотация:The degree of assortative mating was investigated among 189 married couples (M=37.6 years, σ = 11.8). The couples were assessed on a broad range of personality characteristics and some relationship quality indicators. We found sizable assortative mating for three dimensions of locus of control (0.16 - 0.22, p<0.05), for two dimensions of Sensation Seeking (0.23; 0.34, p<0.05) and for Programming as one aspect of self-regulation of behavior (0.17, p<0.05). There was no similarity between spouses on such personality traits as Extraversion and Neuroticism, and on the level of Machiavellism. Implications of present findings will be useful for behavior genetics studies where assortative mating regarded as an effect of genotype-environment covariation.