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Presentation transcript:

Theory of Reasoned Action

Technology acceptance model - History 1 TAM is one of the most influential extensions of Ajzen and Fishbein’s theory of reasoned action (TRA) in the literature

I-Change Model - Motivation 1 The ultimate result in level of motivation to adopt a health behavior can be measured by intentions, a concept derived from Fishbein Ajzen's Theory of Reasoned ActionFishbein, M., Ajzen, I

Moral psychology - Moral Values 1 With the research they reviewed and their own extension of Ajzen and Fishbein's theory of reasoned action, they conclude that value-attitude-behavior depends on the individual and their moral reasoning

Attitude (psychology) - Attitude-behavior relationship 1 Two theoretical approaches have dominated this research: the theory of reasoned actionAjzen I, Fishbein M

Attitude (psychology) - Attitude-behavior relationship 1 The Theory of Reasoned Action was developed by Martin Fishbein and Icek Ajzen (1975, 1980), derived from previous research that started out as the theory of attitude, which led to the study of attitude and behavior

Attitude (psychology) - Attitude-behavior relationship 1 The theory of reasoned action was in turn grounded in various theories of attitude such as learning theories, expectancy-value theories, consistency theories,[2] and attribution theory.[3] According to the theory of reasoned action, if people evaluate the suggested behavior as positive (attitude), and if they think their significant others want them to perform the behavior (subjective norm), this results in a higher intention (motivation) and they are more likely to do so

Attitude (psychology) - Attitude-behavior relationship 1 By this, he extended the theory of reasoned action to cover non-volitional behaviors for predicting behavioral intention and actual behavior.

Behavior change (public health) 1 See also The Transtheoretical Model|Transtheoretical (Stages of Change) Model of Behavior Change, The Theory of Reasoned Action, The Health Belief Model and the Health Action Process Approach.

Self-monitoring - Applicability to social psychology theory 1 Icek Ajzen argues that subjective norms are an important antecedent to determining behavioral intention in the Theory of Reasoned Action/Theory of Planned Behavior.Ajzen, 1985 High self- monitors tend to weigh subjective norms more heavily than low self-monitors

Value-action gap - Summary 1 The theory of reasoned action states that behavioral intention is dependent on attitudes surrounding that behavior and social norms

Value-action gap - Application 1 Therefore, positive attitude towards sustainable products are not followed by sustainable actions, contrary to the theory of reasoned action

Biopsychosocial model - Model description and application in medicine 1 These models include the Health Belief Model, Theory of Reasoned Action and Theory of Planned Behavior, Transtheoretical Model, the Relapse Prevention Model, Gollwitzer's Implementation intention|implementation- intentions, the Precaution–Adoption Model, the Health Action Process Approach, etc.Schwarzer, R

Theory of reasoned action 1 The Theory of Reasoned Action was developed by Martin Fishbein and Icek Ajzen (1975, 1980), derived from previous research that started out as the theory of attitude, which led to the study of attitude and behavior

Theory of reasoned action - Definition and example 1 Derived from the social psychology setting, the theory of reasoned action (TRA) was proposed by Ajzen and Fishbein ( ). The components of TRA are three general constructs: behavioral intention (BI), attitude (A), and subjective norm (SN). TRA suggests that a person's behavioral intention depends on the person's attitude about the behavior and subjective norms (BI = A + SN). If a person intends to do a behavior then it is likely that the person will do it.

Theory of reasoned action - Utility 1 The theory of reasoned action has received considerable and, for the most part, justifiable attention within the field of consumer behavior... not only does the model appear to predict consumer intentions and behavior quite well, it also provides a relatively simple basis for identifying where and how to target consumers' behavioral change attempts (Sheppard, Hartwick Warshaw, 1988, p.325).

Reasoned Action Approach - History 1 The reasoned-action approach is the latest version of the theoretical ideas of Martin Fishbein Icek Ajzen, following the earlier theory of reasoned action Fishbein, M., Ajzen, I

Reasoned Action Approach - Culture 1 The theory of reasoned action and the theory of planned behavior have successfully been applied in many different cultural settings.

Behavioural change theories - General theories and models 1 Of the many that exist, the most prevalent are the learning theory (education)|learning theories, Social Cognitive Theory, Theories of Theory of Reasoned Action|Reasoned Action and Theory of Planned Behaviour|Planned Behaviour, Transtheoretical Model and the Health Action Process Approach

Behavioural change theories - Theory of Reasoned Action 1 The Theory of Reasoned Action assumes that individuals consider a behaviour's consequences before performing the particular behaviour

Behavioural change theories - Theory of Planned Behaviour 1 In 1985, Ajzen expanded upon the theory of reasoned action, formulating the Theory of Planned Behaviour, which also emphasises the role of intention in behaviour performance but is intended to cover cases in which a person is not in control of all factors affecting the actual performance of a behaviour

Behavioral intention 1 The concept was proposed by Icek Ajzen to improve on the predictive power of the theory of reasoned action by including perceived behavioural control

Behavioral intention - Extension from the theory of reasoned action 1 The theory of reasoned action: A meta- analysis of past research with recommendations for modifications and future research

Behavioral intention - Extension of self-efficacy 1 In addition to attitudes and subjective norms (which make the theory of reasoned action), the theory of planned behavior adds the concept of perceived behavioral control, which originates from self-efficacy theory (SET)

Behavioral intention - Social influence 1 The concept of social influence has been assessed by social norm and normative belief in both the theory of reasoned action and theory of planned behavior

Behavioral intention - Strengths 1 Several studies found that the TPB would help better predict health-related behavioral intention than the theory of reasoned action.Ajzen, I. (1989). Attitude structure and behavior. Attitude structure and function, The TPB has improved the predictability of intention in various health-related fields such as condom use, leisure, exercise, diet, etc.

Behavioral intention - Strengths 1 In addition, the theory of planned behavior as well as the theory of reasoned action can explain the individual's social behavior by considering social norm as an important variable.

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