Theory of Planned Behavior
Theory of Planned Behavior (TPB)
TPB says that behavioral intention is the best predictor of action. Intention is shaped by three things:
How can TPB enhance mHealth Interventions?
Instead of simply saying: “Walk 10,000 steps today.” Make the goal feel doable: “Short on time? Try two 15-minute walks instead of one long one.” Offer alternatives: “Can’t go outside? Do a 5-minute indoor stretch routine.” Provide progress scaffolding: “This week’s goal: 6,000 steps/day. Next week: 7,000.” This strengthens intention by reducing barriers and building confidence, “I can actually do this, even with my schedule or limits.”
Instead of simply saying “Walk 10,000 steps." An app can show what others are doing (social feeds) and give opportunity to join them (e.g, peer challenges).
Instead of simply saying: "Walk 10,000 steps." An app can show benefits of actions: "Walking reduces stress".
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Strengthen Perceived Control
Title
Title
Shape Attitudes
Title
Highlight Subjective Norms
Write a brief description here
Write a brief description here
Write a brief description here
Other Advantages of TPB
PERSONALIZE INTERVENTIONS
EXPLANATIONS FOR BEHAVIORS
LONG-TERM ENGAGEMENT
If people set goals but don’t act, TPB helps identify whether the problem is: Negative attitudes, Lack of supportive norms, or Low perceived control.
Apps can tailor features based on the construct most limiting the user. Low attitude? → Add motivational education. Weak norms? → Add peer/community features. Low control? → Offer micro-goals and barrier-reduction tools.
By targeting beliefs and perceptions, apps can build stronger intentions, which are much better predictors of behavior than reminders alone. There is a greater chance of students being able to change their behaviors.
Final Word
TPB makes mHealth apps smarter by addressing the “why” behind behavior — attitudes, norms, and control — so apps can create stronger intentions and sustained action.
Congratulations, you have completed this activity.
Intention
Definition: A person's readiness or plan to perform the behavior. How it’s shaped: Intention comes from attitudes, subjective norms, and perceived control. Example (intention): "I intend to walk 30 minutes every day this week." Underlying belief basis: Positive attitude toward exercise, social support for exercise, and confidence in being able to exercise.
Behavior
Definition: The actual performance of the behavior in question. How it’s shaped: By intention and actual behavioral control (resources, skills, opportunities). Example: Going for a daily walk. Underlying condition: Having access to a safe walking trail.
Perceived Behavioral Control
Definition: How easy or difficult a person feels it would be to perform the behavior. How it's shaped: Control comes from control beliefs — about resources, barriers, and autonomy. Example: "I feel confident I can fit exercise into my daily schedule." Underlying belief: "I have a 30-minute lunch break I can use." (facilitator). “Unpredictable weather makes outdoor exercise harder.” (barrier)
Attitude
Definition: A person’s feelings and thoughts about the behavior in question. How it's shaped: Attitudes come from behavioral beliefs — whether the person believes performing a behavior will lead to certain results. Example (attitude): "I think exercising is enjoyable and beneficial.” Underlying belief: "If I exercise daily, I’ll lose weight and feel healthier.”
Subjective Norms
Definition: The social pressure a person feels to perform (or not perform) the behavior. How it's shaped: Norms come from normative beliefs — perceptions about what important others expect. Example (subjective norm): "Everyone in my family eats healthy, so I should too." Underlying belief: "My family thinks I should eat more vegetables."
Theory of Planned Behavior
Beenish Chaudhry
Created on September 17, 2025
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Transcript
Theory of Planned Behavior
Theory of Planned Behavior (TPB)
TPB says that behavioral intention is the best predictor of action. Intention is shaped by three things:
How can TPB enhance mHealth Interventions?
Instead of simply saying: “Walk 10,000 steps today.” Make the goal feel doable: “Short on time? Try two 15-minute walks instead of one long one.” Offer alternatives: “Can’t go outside? Do a 5-minute indoor stretch routine.” Provide progress scaffolding: “This week’s goal: 6,000 steps/day. Next week: 7,000.” This strengthens intention by reducing barriers and building confidence, “I can actually do this, even with my schedule or limits.”
Instead of simply saying “Walk 10,000 steps." An app can show what others are doing (social feeds) and give opportunity to join them (e.g, peer challenges).
Instead of simply saying: "Walk 10,000 steps." An app can show benefits of actions: "Walking reduces stress".
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Use this side of the card to provide more information about a topic. Focus on one concept. Make learning and communication more efficient.
Strengthen Perceived Control
Title
Title
Shape Attitudes
Title
Highlight Subjective Norms
Write a brief description here
Write a brief description here
Write a brief description here
Other Advantages of TPB
PERSONALIZE INTERVENTIONS
EXPLANATIONS FOR BEHAVIORS
LONG-TERM ENGAGEMENT
If people set goals but don’t act, TPB helps identify whether the problem is: Negative attitudes, Lack of supportive norms, or Low perceived control.
Apps can tailor features based on the construct most limiting the user. Low attitude? → Add motivational education. Weak norms? → Add peer/community features. Low control? → Offer micro-goals and barrier-reduction tools.
By targeting beliefs and perceptions, apps can build stronger intentions, which are much better predictors of behavior than reminders alone. There is a greater chance of students being able to change their behaviors.
Final Word
TPB makes mHealth apps smarter by addressing the “why” behind behavior — attitudes, norms, and control — so apps can create stronger intentions and sustained action.
Congratulations, you have completed this activity.
Intention
Definition: A person's readiness or plan to perform the behavior. How it’s shaped: Intention comes from attitudes, subjective norms, and perceived control. Example (intention): "I intend to walk 30 minutes every day this week." Underlying belief basis: Positive attitude toward exercise, social support for exercise, and confidence in being able to exercise.
Behavior
Definition: The actual performance of the behavior in question. How it’s shaped: By intention and actual behavioral control (resources, skills, opportunities). Example: Going for a daily walk. Underlying condition: Having access to a safe walking trail.
Perceived Behavioral Control
Definition: How easy or difficult a person feels it would be to perform the behavior. How it's shaped: Control comes from control beliefs — about resources, barriers, and autonomy. Example: "I feel confident I can fit exercise into my daily schedule." Underlying belief: "I have a 30-minute lunch break I can use." (facilitator). “Unpredictable weather makes outdoor exercise harder.” (barrier)
Attitude
Definition: A person’s feelings and thoughts about the behavior in question. How it's shaped: Attitudes come from behavioral beliefs — whether the person believes performing a behavior will lead to certain results. Example (attitude): "I think exercising is enjoyable and beneficial.” Underlying belief: "If I exercise daily, I’ll lose weight and feel healthier.”
Subjective Norms
Definition: The social pressure a person feels to perform (or not perform) the behavior. How it's shaped: Norms come from normative beliefs — perceptions about what important others expect. Example (subjective norm): "Everyone in my family eats healthy, so I should too." Underlying belief: "My family thinks I should eat more vegetables."