In the Theory of Planned Behavior, which belief shapes an individual's attitude toward a behavior?

In the Theory of Planned Behavior, behavioral beliefs specifically influence an individual's attitude toward a particular behavior. These beliefs encompass the perceived outcomes or evaluations concerning the behavior—essentially, what the person thinks regarding the positive or negative consequences of engaging in that behavior. When individuals believe that certain behaviors will lead to valuable or favorable outcomes, they are more likely to develop a positive attitude toward performing those behaviors.

For instance, if someone believes that exercising will improve their health and increase their energy levels, they are more likely to develop a favorable attitude towards regular physical activity. This is fundamental in shaping one's willingness to engage in the behavior, ultimately affecting their intention to act.

Control beliefs relate to an individual's perception of control over performing a behavior, while normative beliefs involve perceptions of social norms and the expectations of others regarding that behavior. Peer influences, while important in certain contexts, are not part of the theoretical framework that directly relates to shaping attitude as they pertain more to social dynamics rather than intrinsic beliefs about the behavior itself.