The constructs of knowledge and beliefs, self-regulation, and social facilitation are related to each other and to the proximal and distal outcomes. Knowledge and beliefs are the first construct. Knowledge is defined as condition-specific factual information, and beliefs are defined as personal perceptions about the specific health condition or health behavior. Enhancement of knowledge and beliefs results in increased understanding of a specific condition or behavior, increased behavior-specific self-efficacy (confidence in one's ability to successfully engage in a change in normal and stressful situations), outcome expectancy (one's belief that engagement in a behavior will result in desired results), and goal congruence (resolution of confusion and anxiety occurring from apparent contradictory and competing demands associated with health goals). The second major construct is self-regulation. Self-regulation is a process that people use as they incorporate a behavior change into their daily routines and lifestyles. Self-regulation requires goal setting, self-monitoring and reflective thinking, decision making, planning and plan enactment, self-evaluation, and management of emotions occurring with the change. The third major construct is social facilitation. Social facilitation includes social influence and social support. People experience social influence when a knowledgeable person in a position of perceived authority sways their thinking and motivation, leading to engagement in behavior. Social influence comes from numerous sources, for example, healthcare providers, television and radio, family and neighbors, coworkers, or printed or electronic communication. Social support consists of emotional, instrumental, or informational support, which facilitates engagement in a health behavior.