Theory of Planned Behavior (TPB) & Diffusion of Innovation (DOI) – Overview & Application
Both TPB (Theory of Planned Behavior) and DOI (Diffusion of Innovation) are widely used behavioral theories in finance, technology adoption, and consumer behavior research . 🔹 1. Theory of Planned Behavior (TPB) – Ajzen (1991) The Theory of Planned Behavior (TPB) explains how attitudes, social norms, and perceived control influence a person’s intention to perform a behavior . 🔸 TPB Model Components ✅ Attitude Toward the Behavior (ATB) – "Do I have a positive or negative view of using this technology?" ✅ Subjective Norms (SN) – "Do others expect me to use it?" ✅ Perceived Behavioral Control (PBC) – "How easy or difficult is it for me to use?" ✅ Behavioral Intention (BI) – The person’s willingness to perform the behavior. ✅ Actual Behavior (AB) – Whether they actually adopt the technology or not . 📌 Example in Finance: A study on cryptocurrency adoption can use TPB to analyze how attitude, peer influence, and ease of investment af...