According to this theory, programs that target attitudes, perceived social norms, or perceived difficulty of the behavior, may successfully change behavior. (aceee.org)
About one third of the subjects reported at least minor perceived difficulties, while about 5 % reported definite or severe difficulties. (link.springer.com)
These patterns suggest that when men do perceive difficulties in their marriage, it might have a more sizeable and salient effect on their global marital satisfaction assessments. (academic.oup.com)