10 papers analyzed
These studies suggest the Theory of Planned Behaviour (TPB) is effective in predicting intentions and behaviors across various domains, with key factors being attitudes, subjective norms, perceived behavioral control, and self-efficacy, though methodological and theoretical issues remain.
The Theory of Planned Behaviour (TPB) is a psychological framework that aims to predict and understand human behavior. It posits that behavior is directly influenced by behavioral intentions, which are in turn shaped by attitudes, subjective norms, and perceived behavioral control. This theory has been widely applied across various domains, including health, environmental behavior, and entrepreneurship.
Predictive Power of TPB:
Role of Perceived Behavioral Control (PBC):
Subjective Norms:
Behavioral and Methodological Moderators:
Interventions and Behavior Change:
Interactions Between Constructs:
Applications Across Domains:
Causal Relationships:
The Theory of Planned Behaviour is a robust and versatile model for predicting and understanding human behavior. It effectively explains a significant portion of the variance in intentions and behaviors across various domains. Key components such as attitudes, subjective norms, and perceived behavioral control play crucial roles, with PBC often adding substantial predictive power. While subjective norms are generally weaker predictors, methodological and behavioral moderators can influence the model's efficacy. Interventions targeting TPB variables can significantly impact behavior, although some individuals may remain unaffected. The theory's applicability across different contexts and its potential for further refinement through the inclusion of interactions and reciprocal causal relationships underscore its value in behavioral research.
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