Emotions are not considered a key component of social cognition, which primarily focuses on attitudes, beliefs, and norms.

In the Health Belief Model, perceived susceptibility is considered the most important factor in determining an individual's health behavior, as it reflects their belief about their likelihood of getting a particular disease or condition.

Social Cognitive Theory emphasizes the role of social influences, including observing others' behaviors, in shaping an individual's own health behaviors.

Pessimism bias refers to the tendency to overestimate the likelihood of experiencing a negative health outcome, such as a disease or injury.

All of the options are examples of social norms related to health, as they represent behaviors that are generally accepted and expected within a society.

In the Transtheoretical Model, the contemplation stage represents the phase where an individual is aware of the need for change but has not yet made a commitment to take action.

Confirmation bias refers to the tendency to seek out information that confirms existing beliefs and ignore information that contradicts them, leading to a distorted view of reality.

All of the options are examples of self-efficacy beliefs related to health, as they represent an individual's confidence in their ability to perform specific health-related behaviors.

Self-serving bias refers to the tendency to attribute one's successes to internal factors (e.g., skill, effort) and one's failures to external factors (e.g., bad luck, unfair circumstances).

All of the options are examples of health-related attitudes, as they represent beliefs or evaluations about health-related behaviors or outcomes.

Optimism bias refers to the tendency to underestimate the likelihood of experiencing a negative health outcome, such as a disease or injury.

Self-efficacy is not a key component of the Theory of Planned Behavior, which focuses on attitudes, subjective norms, and perceived behavioral control as the main determinants of behavior.

Illusion of control refers to the tendency to believe that one has more control over events than one actually does, leading to an overestimation of one's ability to influence outcomes.

All of the options are examples of social comparisons related to health, as they involve comparing one's own health-related behaviors or outcomes to those of others.

Comparative optimism refers to the tendency to believe that one is less likely to experience a negative health outcome than others, even if the objective risk is the same.