পদ্ধতির তুলনা করুন

	পরিকল্পিত আচরণের তত্ত্ব प्रश्नावली	Health Belief Model Scale
ক্ষেত্র	স্বাস্থ্য আচরণ	স্বাস্থ্য আচরণ
পরিবার	Process / pipeline	Process / pipeline
উদ্ভবের বছর	1991	1966
প্রবর্তক	Icek Ajzen	Marshall H. Rosenstock
ধরন	Self-report questionnaire	Self-report questionnaire
মৌলিক উৎস	Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50(2), 179-211.	Rosenstock, I. M. (1966). Why people use health services. Milbank Memorial Fund Quarterly, 44(3), 94-127.
অপর নাম	TPB Scale, TPB-Q	HBM Scale, HBM-Q
সম্পর্কিত	3	3
সারসংক্ষেপ	The Theory of Planned Behavior (TPB) is a psychological framework developed by Icek Ajzen in 1991 to predict and understand deliberate human behavior. The TPB questionnaire measures four core constructs that explain why people intend to perform (or not perform) a specific behavior: attitudes toward the behavior, subjective norms, perceived behavioral control, and behavioral intention. This measure is widely used in health behavior research, particularly for understanding health promotion, disease prevention, and lifestyle change initiatives.	The Health Belief Model (HBM) is a foundational psychological framework developed by Marshall Rosenstock in 1966 to predict and explain preventive health behavior. Based on the central premise that people take health action to avoid illness when they perceive susceptibility to a health threat and believe that taking action will reduce that threat at an acceptable cost, the HBM measures four core constructs: Perceived Susceptibility, Perceived Severity, Perceived Benefits, and Perceived Barriers. The model also incorporates 'Cues to Action' (external triggers) and 'Self-Efficacy' (added later). HBM is extensively used in research on disease prevention, health screening uptake, medication adherence, and vaccine acceptance.