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Behavioral intention: an individual's readiness to perform a given behavior. It is assumed to be an immediate antecedent of behavior. [17] It is based on attitude toward the behavior, subjective norm, and perceived behavioral control, with each predictor weighted for its importance in relation to the behavior and population of interest.
Each behavioural change theory or model focuses on different factors in attempting to explain behaviour change. Of the many that exist, the most prevalent are learning theories, social cognitive theory, theories of reasoned action and planned behaviour, transtheoretical model of behavior change, the health action process approach, and the BJ Fogg model of behavior change.
In psychology, the I-change model [1] [2] or the integrated model, for explaining motivational and behavioral change, derives from the Attitude – Social Influence – Self-Efficacy Model, integrates ideas of Ajzen's Theory of Planned Behavior, [3] Bandura's Social Cognitive Theory, Prochaska's Transtheoretical Model, [4] the Health Belief Model, [5] and Goal setting [6] theories.
A positivistic approach to behavior research, TRA attempts to predict and explain one's intention of performing a certain behavior.The theory requires that behavior be clearly defined in terms of the four following concepts: Action (e.g. to go, get), Target (e.g. a mammogram), Context (e.g. at the breast screening center), and Time (e.g. in the 12 months). [7]
Models that describe health behavior change can be distinguished in terms of the assumption whether they are continuum-based or stage-based. [7] A continuum (mediator) model claims that change is a continuous process that leads from lack of motivation via action readiness either to successful change or final disengagement.
Motivational interviewing (MI) is a counseling approach developed in part by clinical psychologists William R. Miller and Stephen Rollnick.It is a directive, client-centered counseling style for eliciting behavior change by helping clients to explore and resolve ambivalence.
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Motivational states are characterized by the goal they aim for, as well as the intensity and duration of the effort devoted to the goal. [3] Motivational states have different degrees of strength. If a state has a high degree then it is more likely to influence behavior than if it has a low degree. [4]